diff --git a/_transonic_testing/src/_transonic_testing/for_test_exterior_import_jit.py b/_transonic_testing/src/_transonic_testing/for_test_exterior_import_jit.py
index 66b6634..f3f0395 100644
--- a/_transonic_testing/src/_transonic_testing/for_test_exterior_import_jit.py
+++ b/_transonic_testing/src/_transonic_testing/for_test_exterior_import_jit.py
@@ -1,7 +1,7 @@
 import gast
 import numpy as np
-from .for_test_exterior_import_jit_2 import func_import_2
 
+from .for_test_exterior_import_jit_2 import func_import_2
 
 const = 1
 foo = 1
diff --git a/_transonic_testing/src/_transonic_testing/for_test_exterior_import_jit_2.py b/_transonic_testing/src/_transonic_testing/for_test_exterior_import_jit_2.py
index b6e6e21..8dbaa89 100644
--- a/_transonic_testing/src/_transonic_testing/for_test_exterior_import_jit_2.py
+++ b/_transonic_testing/src/_transonic_testing/for_test_exterior_import_jit_2.py
@@ -1,7 +1,6 @@
 import gast
 import numpy as np
 
-
 const = 1
 foo = 1
 
diff --git a/_transonic_testing/src/_transonic_testing/for_test_init.py b/_transonic_testing/src/_transonic_testing/for_test_init.py
index be86e70..c7ce12d 100644
--- a/_transonic_testing/src/_transonic_testing/for_test_init.py
+++ b/_transonic_testing/src/_transonic_testing/for_test_init.py
@@ -1,7 +1,6 @@
 import numpy as np
 
-from transonic import Transonic, boost, Array, Union, const
-
+from transonic import Array, Transonic, Union, boost, const
 
 # transonic def func(int, float)
 
diff --git a/_transonic_testing/src/_transonic_testing/for_test_justintime.py b/_transonic_testing/src/_transonic_testing/for_test_justintime.py
index 2b62f91..6a422d4 100644
--- a/_transonic_testing/src/_transonic_testing/for_test_justintime.py
+++ b/_transonic_testing/src/_transonic_testing/for_test_justintime.py
@@ -1,6 +1,6 @@
 import numpy as np
 
-from transonic import jit, boost
+from transonic import boost, jit
 from transonic.mpi import Path
 
 
@@ -71,9 +71,10 @@ def check(self):
         assert self.myfunc(1) == 3
 
 
+from numpy import pi
+
 # FIXME support multilevel imported jitted function call in a jitted function
 from .for_test_exterior_import_jit import foo, func_import, func_import2
-from numpy import pi
 
 const = 1
 
diff --git a/doc/examples/bench_expr_broadcast/bench.py b/doc/examples/bench_expr_broadcast/bench.py
index 5e6b669..b619a83 100644
--- a/doc/examples/bench_expr_broadcast/bench.py
+++ b/doc/examples/bench_expr_broadcast/bench.py
@@ -1,6 +1,6 @@
 import numpy as np
 
-from transonic import boost, Array
+from transonic import Array, boost
 
 A = Array[float, "3d"]
 A1 = Array[float, "1d"]
@@ -51,4 +51,6 @@ def broadcast_loops(a: A, b: A1, out: A):
 
     for backend in ("numba", "pythran"):
         timeit_verbose(f"broadcast_{backend}(a, b, out)", globals=loc, norm=norm)
-        timeit_verbose(f"broadcast_loops_{backend}(a, b, out)", globals=loc, norm=norm)
+        timeit_verbose(
+            f"broadcast_loops_{backend}(a, b, out)", globals=loc, norm=norm
+        )
diff --git a/doc/examples/bench_proj_perp/bench.py b/doc/examples/bench_proj_perp/bench.py
index 03114dc..1766b37 100644
--- a/doc/examples/bench_proj_perp/bench.py
+++ b/doc/examples/bench_proj_perp/bench.py
@@ -1,5 +1,6 @@
 import numpy as np
-from transonic import boost, Array, Type
+
+from transonic import Array, Type, boost
 
 A = Array[Type(np.float64, np.complex128), "3d"]
 Af = "float[:,:,:]"
diff --git a/doc/examples/bench_row_sum/bench.py b/doc/examples/bench_row_sum/bench.py
index 73139c3..36e8a30 100644
--- a/doc/examples/bench_row_sum/bench.py
+++ b/doc/examples/bench_row_sum/bench.py
@@ -1,5 +1,5 @@
-from subprocess import getoutput
 import sys
+from subprocess import getoutput
 
 decorator = "boost"
 if "jit" in sys.argv:
diff --git a/doc/examples/bench_row_sum/row_sum_boost.py b/doc/examples/bench_row_sum/row_sum_boost.py
index 3ab3f10..490cde3 100644
--- a/doc/examples/bench_row_sum/row_sum_boost.py
+++ b/doc/examples/bench_row_sum/row_sum_boost.py
@@ -1,6 +1,6 @@
 import numpy as np
 
-from transonic import boost, Array, const
+from transonic import Array, boost, const
 
 T_index = np.int32
 # we use a type variable because it can be replaced by a fused type.
@@ -37,7 +37,7 @@ def row_sum_loops(arr: const(V2d), columns: const(V1d_i)):
 
 if __name__ == "__main__":
 
-    from util import check, bench
+    from util import bench, check
 
     functions = [row_sum, row_sum_loops]
     arr = np.arange(1_000_000).reshape(1_000, 1_000)
diff --git a/doc/examples/bench_row_sum/row_sum_jit.py b/doc/examples/bench_row_sum/row_sum_jit.py
index 8e1eca5..a1fe91b 100644
--- a/doc/examples/bench_row_sum/row_sum_jit.py
+++ b/doc/examples/bench_row_sum/row_sum_jit.py
@@ -21,9 +21,9 @@ def row_sum_loops(arr, columns):
 
 if __name__ == "__main__":
 
-    from transonic import wait_for_all_extensions
+    from util import bench, check
 
-    from util import check, bench
+    from transonic import wait_for_all_extensions
 
     functions = [row_sum, row_sum_loops]
     arr = np.arange(1_000_000).reshape(1_000, 1_000)
diff --git a/doc/examples/bench_row_sum/util.py b/doc/examples/bench_row_sum/util.py
index 9f1e821..0621953 100644
--- a/doc/examples/bench_row_sum/util.py
+++ b/doc/examples/bench_row_sum/util.py
@@ -1,7 +1,7 @@
 import numpy as np
 
-from transonic.util import timeit
 from transonic.config import backend_default
+from transonic.util import timeit
 
 
 def check(functions, arr, columns):
diff --git a/doc/examples/bench_trigo/bench.py b/doc/examples/bench_trigo/bench.py
index 3d2895a..049e87e 100644
--- a/doc/examples/bench_trigo/bench.py
+++ b/doc/examples/bench_trigo/bench.py
@@ -1,6 +1,6 @@
 import numpy as np
 
-from transonic import boost, Array
+from transonic import Array, boost
 
 A = Array[float, "1d"]
 
diff --git a/doc/examples/blocks.py b/doc/examples/blocks.py
index 77b82cf..5987b4a 100644
--- a/doc/examples/blocks.py
+++ b/doc/examples/blocks.py
@@ -30,7 +30,7 @@ def compute(self, n):
             # )
             result = np.zeros_like(a)
             for _ in range(n):
-                result += a ** 2 + b ** 3
+                result += a**2 + b**3
 
         return result
 
diff --git a/doc/examples/blocks_type_hints.py b/doc/examples/blocks_type_hints.py
index 81b02b1..6b7ccf2 100644
--- a/doc/examples/blocks_type_hints.py
+++ b/doc/examples/blocks_type_hints.py
@@ -1,6 +1,6 @@
 import numpy as np
 
-from transonic import Transonic, Type, NDim, Array
+from transonic import Array, NDim, Transonic, Type
 
 T = Type(float, complex)
 N = NDim(2, 3)
@@ -28,7 +28,7 @@ def compute(self, n):
 
             result = np.zeros_like(a)
             for _ in range(n):
-                result += a ** 2 + b ** 3
+                result += a**2 + b**3
 
         return result
 
diff --git a/doc/examples/classic_func_using_func.py b/doc/examples/classic_func_using_func.py
index 63fb902..fb56663 100644
--- a/doc/examples/classic_func_using_func.py
+++ b/doc/examples/classic_func_using_func.py
@@ -13,5 +13,5 @@ def my_log(b):
 
 @boost
 def func(a, b):
-    c = multiply(a,b)
+    c = multiply(a, b)
     return (c * my_log(b)).max()
diff --git a/doc/examples/import_local_module/mod0.py b/doc/examples/import_local_module/mod0.py
index 57b59c2..1151387 100644
--- a/doc/examples/import_local_module/mod0.py
+++ b/doc/examples/import_local_module/mod0.py
@@ -1,8 +1,8 @@
 import numpy as np
+from mod1 import func_import
 
-from transonic import jit, boost
+from transonic import boost, jit
 
-from mod1 import func_import
 
 @boost
 class MyClass2:
diff --git a/doc/examples/import_local_module/mod1.py b/doc/examples/import_local_module/mod1.py
index a677893..4fd59af 100644
--- a/doc/examples/import_local_module/mod1.py
+++ b/doc/examples/import_local_module/mod1.py
@@ -1,4 +1,3 @@
-
 import numpy as np
 
 const = 1
diff --git a/doc/examples/inlined/bug_beniget.py b/doc/examples/inlined/bug_beniget.py
index da0b416..b89c0fd 100644
--- a/doc/examples/inlined/bug_beniget.py
+++ b/doc/examples/inlined/bug_beniget.py
@@ -1,12 +1,13 @@
-
-import gast as ast
 import beniget
+import gast as ast
 
-mod = ast.parse("""
+mod = ast.parse(
+    """
 T = int
 def func() -> T:
     return 1
-""")
+"""
+)
 
 fdef = mod.body[1]
 node = fdef.returns
diff --git a/doc/examples/issues/issue29_blocks_classes.py b/doc/examples/issues/issue29_blocks_classes.py
index 89f6898..bad049e 100644
--- a/doc/examples/issues/issue29_blocks_classes.py
+++ b/doc/examples/issues/issue29_blocks_classes.py
@@ -2,7 +2,8 @@
 See https://foss.heptapod.net/fluiddyn/transonic/issues/6
 
 """
-from transonic import boost, with_blocks, block
+
+from transonic import block, boost, with_blocks
 
 
 def non_pythranizable(arg):
diff --git a/doc/examples/issues/issue29_blocks_func.py b/doc/examples/issues/issue29_blocks_func.py
index c569c0d..3d9f60c 100644
--- a/doc/examples/issues/issue29_blocks_func.py
+++ b/doc/examples/issues/issue29_blocks_func.py
@@ -2,7 +2,8 @@
 See https://foss.heptapod.net/fluiddyn/transonic/issues/6
 
 """
-from transonic import with_blocks, block
+
+from transonic import block, with_blocks
 
 
 def non_pythranizable(arg):
diff --git a/doc/examples/local_module.py b/doc/examples/local_module.py
index 46134b0..387ae2c 100644
--- a/doc/examples/local_module.py
+++ b/doc/examples/local_module.py
@@ -1,2 +1,2 @@
 def multiply(a, b):
-    return a * b
\ No newline at end of file
+    return a * b
diff --git a/doc/examples/packages/package_cythran/check.py b/doc/examples/packages/package_cythran/check.py
index 239f352..55634d9 100644
--- a/doc/examples/packages/package_cythran/check.py
+++ b/doc/examples/packages/package_cythran/check.py
@@ -1,15 +1,14 @@
 import numpy as np
-from transonic.aheadoftime import modules_backends
-
 from numba.targets.registry import CPUDispatcher
-
 from package_cythran.calcul import laplace
-from package_cythran.util import func
 from package_cythran.other import func_numba
+from package_cythran.util import func
+
+from transonic.aheadoftime import modules_backends
 
 laplace(np.ones((2, 2), dtype=np.int32))
 func(1)
-func(2.)
+func(2.0)
 
 ts = modules_backends["pythran"]["package_cythran.calcul"]
 assert ts.backend.name == "pythran"
diff --git a/doc/examples/packages/package_cythran/package_cythran/_version.py b/doc/examples/packages/package_cythran/package_cythran/_version.py
index f27aea8..f102a9c 100644
--- a/doc/examples/packages/package_cythran/package_cythran/_version.py
+++ b/doc/examples/packages/package_cythran/package_cythran/_version.py
@@ -1,2 +1 @@
-
-__version__ = "0.0.1"
\ No newline at end of file
+__version__ = "0.0.1"
diff --git a/doc/examples/packages/package_cythran/package_cythran/calcul.py b/doc/examples/packages/package_cythran/package_cythran/calcul.py
index a8778a2..21f487e 100644
--- a/doc/examples/packages/package_cythran/package_cythran/calcul.py
+++ b/doc/examples/packages/package_cythran/package_cythran/calcul.py
@@ -1,6 +1,6 @@
 import numpy as np
 
-from transonic import boost, Type, Array, NDim, set_backend_for_this_module
+from transonic import Array, NDim, Type, boost, set_backend_for_this_module
 
 set_backend_for_this_module("pythran")
 
diff --git a/doc/examples/packages/package_cythran/package_cythran/other.py b/doc/examples/packages/package_cythran/package_cythran/other.py
index f8a1413..33433a5 100644
--- a/doc/examples/packages/package_cythran/package_cythran/other.py
+++ b/doc/examples/packages/package_cythran/package_cythran/other.py
@@ -5,4 +5,4 @@
 
 @boost
 def func_numba(a):
-    return a ** 2
+    return a**2
diff --git a/doc/examples/packages/package_cythran/package_cythran/util.py b/doc/examples/packages/package_cythran/package_cythran/util.py
index 652aea3..575c274 100644
--- a/doc/examples/packages/package_cythran/package_cythran/util.py
+++ b/doc/examples/packages/package_cythran/package_cythran/util.py
@@ -1,13 +1,13 @@
-
-import numpy as np
 import matplotlib.pyplot as plt
+import numpy as np
 
-from transonic import boost, Type, set_backend_for_this_module
+from transonic import Type, boost, set_backend_for_this_module
 
 set_backend_for_this_module("cython")
 
 T = Type(float, int)
 
+
 @boost
 def func(a: T):
     b = 1
diff --git a/doc/examples/packages/package_cythran/setup.py b/doc/examples/packages/package_cythran/setup.py
index 8a56db0..7a7161a 100644
--- a/doc/examples/packages/package_cythran/setup.py
+++ b/doc/examples/packages/package_cythran/setup.py
@@ -2,14 +2,14 @@
 No pyproject.toml file because in some cases, isolated build cannot be used.
 
 """
-import sys
+
 import os
+import sys
 from pathlib import Path
-
 from runpy import run_path
 
+from setuptools import find_packages, setup
 from setuptools.dist import Distribution
-from setuptools import setup, find_packages
 
 if sys.version_info[:2] < (3, 6):
     raise RuntimeError("Python version >= 3.6 required.")
@@ -25,9 +25,10 @@ def install_setup_requires():
 
 install_setup_requires()
 
-from transonic.dist import make_backend_files, init_transonic_extensions
 import numpy as np
 
+from transonic.dist import init_transonic_extensions, make_backend_files
+
 here = Path(__file__).parent.absolute()
 
 pack_name = "package_cythran"
diff --git a/doc/examples/packages/package_simple/check.py b/doc/examples/packages/package_simple/check.py
index 5bbbe62..f39ec8e 100644
--- a/doc/examples/packages/package_simple/check.py
+++ b/doc/examples/packages/package_simple/check.py
@@ -1,13 +1,12 @@
 import numpy as np
-
-from transonic.aheadoftime import modules_backends
-
 from package_simple.calcul import laplace
 from package_simple.util import func
 
+from transonic.aheadoftime import modules_backends
+
 laplace(np.ones((2, 2), dtype=np.int32))
 func(1)
-func(2.)
+func(2.0)
 
 modules = modules_backends["pythran"]
 
diff --git a/doc/examples/packages/package_simple/package_simple/_version.py b/doc/examples/packages/package_simple/package_simple/_version.py
index f27aea8..f102a9c 100644
--- a/doc/examples/packages/package_simple/package_simple/_version.py
+++ b/doc/examples/packages/package_simple/package_simple/_version.py
@@ -1,2 +1 @@
-
-__version__ = "0.0.1"
\ No newline at end of file
+__version__ = "0.0.1"
diff --git a/doc/examples/packages/package_simple/package_simple/calcul.py b/doc/examples/packages/package_simple/package_simple/calcul.py
index c996bbd..2613cc5 100644
--- a/doc/examples/packages/package_simple/package_simple/calcul.py
+++ b/doc/examples/packages/package_simple/package_simple/calcul.py
@@ -1,7 +1,6 @@
 import numpy as np
 
-from transonic import boost, Type, Array, NDim
-
+from transonic import Array, NDim, Type, boost
 
 T = Type(np.int32, np.float64, np.float32)
 A = Array[T, NDim(2)]
diff --git a/doc/examples/packages/package_simple/package_simple/util.py b/doc/examples/packages/package_simple/package_simple/util.py
index 1f0211d..2cd1f17 100644
--- a/doc/examples/packages/package_simple/package_simple/util.py
+++ b/doc/examples/packages/package_simple/package_simple/util.py
@@ -1,12 +1,11 @@
-
-import numpy as np
 import matplotlib.pyplot as plt
+import numpy as np
 
-from transonic import boost, Type
-
+from transonic import Type, boost
 
 T = Type(float, int)
 
+
 @boost
 def func(a: T):
     b = 1
diff --git a/doc/examples/packages/package_simple/setup.py b/doc/examples/packages/package_simple/setup.py
index 546a02a..3b6ccf7 100644
--- a/doc/examples/packages/package_simple/setup.py
+++ b/doc/examples/packages/package_simple/setup.py
@@ -2,14 +2,14 @@
 No pyproject.toml file because in some cases, isolated build cannot be used.
 
 """
-import sys
+
 import os
+import sys
 from pathlib import Path
-
 from runpy import run_path
 
+from setuptools import find_packages, setup
 from setuptools.dist import Distribution
-from setuptools import setup, find_packages
 
 if sys.version_info[:2] < (3, 6):
     raise RuntimeError("Python version >= 3.6 required.")
@@ -25,9 +25,10 @@ def install_setup_requires():
 
 install_setup_requires()
 
-from transonic.dist import make_backend_files, init_transonic_extensions
 import numpy as np
 
+from transonic.dist import init_transonic_extensions, make_backend_files
+
 here = Path(__file__).parent.absolute()
 
 pack_name = "package_simple"
diff --git a/doc/examples/type_hints_notemplate.py b/doc/examples/type_hints_notemplate.py
index 6677dd2..70f4aae 100644
--- a/doc/examples/type_hints_notemplate.py
+++ b/doc/examples/type_hints_notemplate.py
@@ -1,5 +1,6 @@
 import numpy as np
-from transonic import Type, NDim, Array, boost
+
+from transonic import Array, NDim, Type, boost
 
 T = Type(int, np.complex128)
 N = NDim(1, 3)
diff --git a/doc/examples/using_jit_diff_types.py b/doc/examples/using_jit_diff_types.py
index 9cd7843..1616e7b 100644
--- a/doc/examples/using_jit_diff_types.py
+++ b/doc/examples/using_jit_diff_types.py
@@ -1,4 +1,4 @@
-from transonic import jit, Type
+from transonic import Type, jit
 
 T = Type(int, float)
 
diff --git a/doc/examples/writing_benchmarks/bench_aot.py b/doc/examples/writing_benchmarks/bench_aot.py
index 6e61a3e..c86488f 100644
--- a/doc/examples/writing_benchmarks/bench_aot.py
+++ b/doc/examples/writing_benchmarks/bench_aot.py
@@ -1,8 +1,8 @@
-from transonic import boost, Array
 import numba
-
 import numpy as np
 
+from transonic import Array, boost
+
 Image = Array[np.float64, "2d", "C"]
 
 
@@ -54,6 +54,7 @@ def laplace_loops(image: Image):
 
 # For Cython, we need to add more type annotations
 
+
 @boost(backend="cython", boundscheck=False, wraparound=False)
 def laplace_loops_transonic_cython(image: Image):
     """Laplace operator for 2D images."""
@@ -79,8 +80,8 @@ def laplace_loops_transonic_cython(image: Image):
 
 if __name__ == "__main__":
 
-    from skimage.data import astronaut
     from skimage.color import rgb2gray
+    from skimage.data import astronaut
 
     image = astronaut()
     image = rgb2gray(image)
@@ -91,9 +92,9 @@ def laplace_loops_transonic_cython(image: Image):
     laplace_numba(image)
     laplace_loops_numba(image)
 
-    from transonic.util import timeit
-    from transonic import __version__
     import pythran
+    from transonic import __version__
+    from transonic.util import timeit
 
     loc = locals()
 
diff --git a/doc/examples/writing_benchmarks/bench_jit.py b/doc/examples/writing_benchmarks/bench_jit.py
index 1f7ab78..1a46fc2 100644
--- a/doc/examples/writing_benchmarks/bench_jit.py
+++ b/doc/examples/writing_benchmarks/bench_jit.py
@@ -1,7 +1,7 @@
-from transonic import jit
 import numba
+from pure_numpy import laplace_loops, laplace_numpy
 
-from pure_numpy import laplace_numpy, laplace_loops
+from transonic import jit
 
 laplace_transonic_pythran = jit(native=True, xsimd=True)(laplace_numpy)
 laplace_transonic_python = jit(backend="python")(laplace_numpy)
@@ -14,10 +14,10 @@
 laplace_numba_loops = numba.njit(laplace_loops)
 
 if __name__ == "__main__":
-    from transonic import wait_for_all_extensions
-
-    from skimage.data import astronaut
     from skimage.color import rgb2gray
+    from skimage.data import astronaut
+
+    from transonic import wait_for_all_extensions
 
     image = astronaut()
     image = rgb2gray(image)
@@ -37,9 +37,9 @@
     laplace_transonic_numba(image)
     laplace_transonic_numba_loops(image)
 
-    from transonic.util import timeit
-    from transonic import __version__
     import pythran
+    from transonic import __version__
+    from transonic.util import timeit
 
     loc = locals()
 
diff --git a/doc/for_dev/cython_bugs/ctypedef_buffer/bug.pyx b/doc/for_dev/cython_bugs/ctypedef_buffer/bug.pyx
index df70e85..a58b14d 100644
--- a/doc/for_dev/cython_bugs/ctypedef_buffer/bug.pyx
+++ b/doc/for_dev/cython_bugs/ctypedef_buffer/bug.pyx
@@ -1,6 +1,6 @@
 import cython
-
 import numpy as np
+
 cimport numpy as np
 
 ctypedef fused T0:
diff --git a/doc/for_dev/cython_bugs/ctypedef_buffer/ctype_memview.pyx b/doc/for_dev/cython_bugs/ctypedef_buffer/ctype_memview.pyx
index b5197df..1ea302c 100644
--- a/doc/for_dev/cython_bugs/ctypedef_buffer/ctype_memview.pyx
+++ b/doc/for_dev/cython_bugs/ctypedef_buffer/ctype_memview.pyx
@@ -1,6 +1,6 @@
 import cython
-
 import numpy as np
+
 cimport numpy as np
 
 ctypedef fused T0:
diff --git a/doc/for_dev/cython_bugs/ctypedef_buffer/pure.pxd b/doc/for_dev/cython_bugs/ctypedef_buffer/pure.pxd
index 30b317b..82dda7c 100644
--- a/doc/for_dev/cython_bugs/ctypedef_buffer/pure.pxd
+++ b/doc/for_dev/cython_bugs/ctypedef_buffer/pure.pxd
@@ -1,6 +1,6 @@
 import cython
-
 import numpy as np
+
 cimport numpy as np
 
 ctypedef fused T0:
diff --git a/doc/for_dev/cython_bugs/ctypedef_buffer/pure_ctype_memview.pxd b/doc/for_dev/cython_bugs/ctypedef_buffer/pure_ctype_memview.pxd
index f7d73ca..7557012 100644
--- a/doc/for_dev/cython_bugs/ctypedef_buffer/pure_ctype_memview.pxd
+++ b/doc/for_dev/cython_bugs/ctypedef_buffer/pure_ctype_memview.pxd
@@ -1,6 +1,6 @@
 import cython
-
 import numpy as np
+
 cimport numpy as np
 
 ctypedef fused T0:
diff --git a/doc/for_dev/cython_bugs/ctypedef_buffer/pure_ctype_memview.py b/doc/for_dev/cython_bugs/ctypedef_buffer/pure_ctype_memview.py
index 3149551..31a8c1f 100644
--- a/doc/for_dev/cython_bugs/ctypedef_buffer/pure_ctype_memview.py
+++ b/doc/for_dev/cython_bugs/ctypedef_buffer/pure_ctype_memview.py
@@ -1,6 +1,5 @@
-
 def mysum(arr):
     ret = arr.dtype.type(0)
     for i in range(arr.shape[0]):
         ret += arr[i]
-    return ret
\ No newline at end of file
+    return ret
diff --git a/doc/for_dev/cython_bugs/ctypedef_buffer/simpler.pyx b/doc/for_dev/cython_bugs/ctypedef_buffer/simpler.pyx
index 3a216e3..fdbcf5f 100644
--- a/doc/for_dev/cython_bugs/ctypedef_buffer/simpler.pyx
+++ b/doc/for_dev/cython_bugs/ctypedef_buffer/simpler.pyx
@@ -1,6 +1,6 @@
 import cython
-
 import numpy as np
+
 cimport numpy as np
 
 # not supported, see: https://github.com/cython/cython/issues/754
diff --git a/doc/for_dev/cython_bugs/ctypedef_buffer/works.pyx b/doc/for_dev/cython_bugs/ctypedef_buffer/works.pyx
index 6d5a17e..d2e488f 100644
--- a/doc/for_dev/cython_bugs/ctypedef_buffer/works.pyx
+++ b/doc/for_dev/cython_bugs/ctypedef_buffer/works.pyx
@@ -1,6 +1,6 @@
 import cython
-
 import numpy as np
+
 cimport numpy as np
 
 ctypedef fused T0:
diff --git a/doc/for_dev/cython_bugs/purepy_fusedtype/bug.py b/doc/for_dev/cython_bugs/purepy_fusedtype/bug.py
index 14b3dc0..9b2da1c 100644
--- a/doc/for_dev/cython_bugs/purepy_fusedtype/bug.py
+++ b/doc/for_dev/cython_bugs/purepy_fusedtype/bug.py
@@ -1,4 +1,3 @@
-
 def func(arg):
     arr = arg
     return arr
diff --git a/doc/for_dev/cython_bugs/purepy_nogil/pure_with_pxd.pxd b/doc/for_dev/cython_bugs/purepy_nogil/pure_with_pxd.pxd
index a11a298..7edc795 100644
--- a/doc/for_dev/cython_bugs/purepy_nogil/pure_with_pxd.pxd
+++ b/doc/for_dev/cython_bugs/purepy_nogil/pure_with_pxd.pxd
@@ -1,5 +1,6 @@
 cimport cython
 
+
 cdef inline int add(int a, int b) nogil
 
 @cython.locals(n=int, i=int, result=int)
diff --git a/doc/for_dev/cython_bugs/purepy_nogil/pure_wo_pxd.py b/doc/for_dev/cython_bugs/purepy_nogil/pure_wo_pxd.py
index ae67ce4..efbd292 100644
--- a/doc/for_dev/cython_bugs/purepy_nogil/pure_wo_pxd.py
+++ b/doc/for_dev/cython_bugs/purepy_nogil/pure_wo_pxd.py
@@ -2,6 +2,7 @@
 
 import cython
 
+
 # @cython.ccall
 @cython.cfunc
 @cython.inline
@@ -19,4 +20,4 @@ def use_add(n):
     with cython.nogil:
         for i in range(n):
             result = add(result, result)
-    return result
\ No newline at end of file
+    return result
diff --git a/doc/for_dev/cython_bugs/purepy_nogil/pure_wo_pxd_ccall.py b/doc/for_dev/cython_bugs/purepy_nogil/pure_wo_pxd_ccall.py
index a42169f..e65c1c6 100644
--- a/doc/for_dev/cython_bugs/purepy_nogil/pure_wo_pxd_ccall.py
+++ b/doc/for_dev/cython_bugs/purepy_nogil/pure_wo_pxd_ccall.py
@@ -2,6 +2,7 @@
 
 import cython
 
+
 @cython.ccall
 @cython.inline
 @cython.returns(cython.int)
@@ -10,6 +11,7 @@
 def add(a, b):
     return a + b
 
+
 @cython.ccall
 @cython.locals(n=cython.int, i=Py_ssize_t, result=cython.int)
 def use_add(n):
diff --git a/doc/for_dev/cython_bugs/purepy_nogil/simple.pyx b/doc/for_dev/cython_bugs/purepy_nogil/simple.pyx
index 75d8e44..6d35dba 100644
--- a/doc/for_dev/cython_bugs/purepy_nogil/simple.pyx
+++ b/doc/for_dev/cython_bugs/purepy_nogil/simple.pyx
@@ -1,6 +1,7 @@
 # cython: language_level=3
 import cython
 
+
 cpdef inline int add(int a, int b) nogil:
     return a + b
 
diff --git a/doc/for_dev/scikit-image/bench_one.py b/doc/for_dev/scikit-image/bench_one.py
index 4a3ed13..7afcdf5 100644
--- a/doc/for_dev/scikit-image/bench_one.py
+++ b/doc/for_dev/scikit-image/bench_one.py
@@ -1,4 +1,5 @@
 import argparse
+
 from bench_util import bench_one
 
 parser = argparse.ArgumentParser(description="Run one benchmark")
diff --git a/doc/for_dev/scikit-image/bench_util.py b/doc/for_dev/scikit-image/bench_util.py
index 9ebb778..2000b6b 100644
--- a/doc/for_dev/scikit-image/bench_util.py
+++ b/doc/for_dev/scikit-image/bench_util.py
@@ -1,5 +1,5 @@
-from subprocess import getoutput
 from pathlib import Path
+from subprocess import getoutput
 
 from transonic.util import timeit
 
diff --git a/doc/for_dev/scikit-image/future/_colormixer.py b/doc/for_dev/scikit-image/future/_colormixer.py
index caad78a..68b37cf 100644
--- a/doc/for_dev/scikit-image/future/_colormixer.py
+++ b/doc/for_dev/scikit-image/future/_colormixer.py
@@ -9,7 +9,7 @@
 
 import numpy as np
 
-from transonic import boost, Array
+from transonic import Array, boost
 
 Auint8 = "uint8[:,:,:]"
 A1dC = Array[np.uint8, "1d", "C"]
@@ -131,7 +131,6 @@ def brightness(img: Auint8, stateimg: Auint8, factor: float, offset: int):
             img[i, j, 2] = lut[stateimg[i, j, 2]]
 
 
-
 @boost(boundscheck=False, wraparound=False, cdivision=True, nonecheck=False)
 def sigmoid_gamma(img: Auint8, stateimg: Auint8, alpha: float, beta: float):
     height = img.shape[0]
@@ -425,7 +424,9 @@ def hsv_add(
 
 
 @boost(boundscheck=False, wraparound=False, cdivision=True, nonecheck=False)
-def hsv_multiply(img: Auint8, stateimg: Auint8, h_amt: float, s_amt: float, v_amt: float):
+def hsv_multiply(
+    img: Auint8, stateimg: Auint8, h_amt: float, s_amt: float, v_amt: float
+):
     """Modify the image color by specifying multiplicative HSV Values.
 
     Since the underlying images are RGB, all three values HSV
diff --git a/doc/for_dev/scikit-image/future/_convex_hull.py b/doc/for_dev/scikit-image/future/_convex_hull.py
index 1c76613..b31cb97 100644
--- a/doc/for_dev/scikit-image/future/_convex_hull.py
+++ b/doc/for_dev/scikit-image/future/_convex_hull.py
@@ -1,6 +1,6 @@
 import numpy as np
 
-from transonic import boost, Array
+from transonic import Array, boost
 
 
 @boost(wraparound=False, boundscheck=False, cdivision=True, nonecheck=False)
diff --git a/doc/for_dev/scikit-image/future/_greyreconstruct.py b/doc/for_dev/scikit-image/future/_greyreconstruct.py
index b8c3c2b..5d85158 100644
--- a/doc/for_dev/scikit-image/future/_greyreconstruct.py
+++ b/doc/for_dev/scikit-image/future/_greyreconstruct.py
@@ -9,9 +9,10 @@
 Original author: Lee Kamentsky
 
 """
+
 import numpy as np
 
-from transonic import boost, Array, const
+from transonic import Array, boost, const
 
 Au = Array[np.uint32, "1d", "C", "positive_indices"]
 A = Array[np.int32, "1d", "C", "positive_indices"]
diff --git a/doc/for_dev/scikit-image/future/_moments_cy.py b/doc/for_dev/scikit-image/future/_moments_cy.py
index ba4bc26..5df7e40 100644
--- a/doc/for_dev/scikit-image/future/_moments_cy.py
+++ b/doc/for_dev/scikit-image/future/_moments_cy.py
@@ -1,6 +1,6 @@
 import numpy as np
 
-from transonic import boost, Array
+from transonic import Array, boost
 
 
 @boost(wraparound=False, cdivision=True, nonecheck=False)
diff --git a/doc/for_dev/scikit-image/future/_radon_transform.py b/doc/for_dev/scikit-image/future/_radon_transform.py
index 1745b9f..2dabc7b 100644
--- a/doc/for_dev/scikit-image/future/_radon_transform.py
+++ b/doc/for_dev/scikit-image/future/_radon_transform.py
@@ -1,8 +1,7 @@
 import numpy as np
-from numpy import cos, sin, floor, ceil, sqrt
+from numpy import ceil, cos, floor, sin, sqrt
 
-
-from transonic import boost, Optional
+from transonic import Optional, boost
 
 
 def bilinear_ray_sum(image, theta, ray_position):
@@ -26,17 +25,17 @@ def bilinear_ray_sum(image, theta, ray_position):
         A measure of how long the ray's path through the reconstruction
         circle was
     """
-    theta = theta / 180. * np.pi
+    theta = theta / 180.0 * np.pi
     radius = image.shape[0] // 2 - 1
     projection_center = image.shape[0] // 2
     rotation_center = image.shape[0] // 2
     # (s, t) is the (x, y) system rotated by theta
     t = ray_position - projection_center
     # s0 is the half-length of the ray's path in the reconstruction circle
-    s0 = sqrt(radius * radius - t * t) if radius*radius >= t*t else 0.
+    s0 = sqrt(radius * radius - t * t) if radius * radius >= t * t else 0.0
     Ns = 2 * int(ceil(2 * s0))  # number of steps along the ray
-    ray_sum = 0.
-    weight_norm = 0.
+    ray_sum = 0.0
+    weight_norm = 0.0
 
     if Ns > 0:
         # step length between samples
@@ -58,27 +57,28 @@ def bilinear_ray_sum(image, theta, ray_position):
             # Use linear interpolation between values
             # Where values fall outside the array, assume zero
             if i > 0 and j > 0:
-                weight = (1. - di) * (1. - dj) * ds
+                weight = (1.0 - di) * (1.0 - dj) * ds
                 ray_sum += weight * image[i, j]
                 weight_norm += weight * weight
             if i > 0 and j < image.shape[1] - 1:
-                weight = (1. - di) * dj * ds
-                ray_sum += weight * image[i, j+1]
+                weight = (1.0 - di) * dj * ds
+                ray_sum += weight * image[i, j + 1]
                 weight_norm += weight * weight
             if i < image.shape[0] - 1 and j > 0:
                 weight = di * (1 - dj) * ds
-                ray_sum += weight * image[i+1, j]
+                ray_sum += weight * image[i + 1, j]
                 weight_norm += weight * weight
             if i < image.shape[0] - 1 and j < image.shape[1] - 1:
                 weight = di * dj * ds
-                ray_sum += weight * image[i+1, j+1]
+                ray_sum += weight * image[i + 1, j + 1]
                 weight_norm += weight * weight
 
     return ray_sum, weight_norm
 
 
-def bilinear_ray_update(image, image_update, theta, ray_position,
-                        projected_value):
+def bilinear_ray_update(
+    image, image_update, theta, ray_position, projected_value
+):
     """Compute the update along a ray using bilinear interpolation.
 
     Parameters
@@ -100,18 +100,18 @@ def bilinear_ray_update(image, image_update, theta, ray_position,
         Deviation before updating the image.
     """
     ray_sum, weight_norm = bilinear_ray_sum(image, theta, ray_position)
-    if weight_norm > 0.:
+    if weight_norm > 0.0:
         deviation = -(ray_sum - projected_value) / weight_norm
     else:
-        deviation = 0.
-    theta = theta / 180. * np.pi
+        deviation = 0.0
+    theta = theta / 180.0 * np.pi
     radius = image.shape[0] // 2 - 1
     projection_center = image.shape[0] // 2
     rotation_center = image.shape[0] // 2
     # (s, t) is the (x, y) system rotated by theta
     t = ray_position - projection_center
     # s0 is the half-length of the ray's path in the reconstruction circle
-    s0 = sqrt(radius*radius - t*t) if radius*radius >= t*t else 0.
+    s0 = sqrt(radius * radius - t * t) if radius * radius >= t * t else 0.0
     Ns = 2 * int(ceil(2 * s0))
     # beta for equiripple Hamming window
     hamming_beta = 0.46164
@@ -133,29 +133,36 @@ def bilinear_ray_update(image, image_update, theta, ray_position,
             j = int(floor(index_j))
             di = index_i - floor(index_i)
             dj = index_j - floor(index_j)
-            hamming_window = ((1 - hamming_beta)
-                              - hamming_beta * cos(2 * np.pi * k / (Ns - 1)))
+            hamming_window = (1 - hamming_beta) - hamming_beta * cos(
+                2 * np.pi * k / (Ns - 1)
+            )
             if i > 0 and j > 0:
-                image_update[i, j] += (deviation * (1. - di) * (1. - dj)
-                                       * ds * hamming_window)
+                image_update[i, j] += (
+                    deviation * (1.0 - di) * (1.0 - dj) * ds * hamming_window
+                )
             if i > 0 and j < image.shape[1] - 1:
-                image_update[i, j+1] += (deviation * (1. - di) * dj
-                                         * ds * hamming_window)
+                image_update[i, j + 1] += (
+                    deviation * (1.0 - di) * dj * ds * hamming_window
+                )
             if i < image.shape[0] - 1 and j > 0:
-                image_update[i+1, j] += (deviation * di * (1 - dj)
-                                         * ds * hamming_window)
+                image_update[i + 1, j] += (
+                    deviation * di * (1 - dj) * ds * hamming_window
+                )
             if i < image.shape[0] - 1 and j < image.shape[1] - 1:
-                image_update[i+1, j+1] += (deviation * di * dj
-                                           * ds * hamming_window)
+                image_update[i + 1, j + 1] += (
+                    deviation * di * dj * ds * hamming_window
+                )
 
     return deviation
 
 
 @boost
-def sart_projection_update(image: "float64[:,:]",
-                           theta: float,
-                           projection: "float64[:]",
-                           projection_shift: float = 0.):
+def sart_projection_update(
+    image: "float64[:,:]",
+    theta: float,
+    projection: "float64[:]",
+    projection_shift: float = 0.0,
+):
     """
     Compute update to a reconstruction estimate from a single projection
     using bilinear interpolation.
@@ -181,6 +188,7 @@ def sart_projection_update(image: "float64[:,:]",
     image_update = np.zeros_like(image)
     for i in range(projection.shape[0]):
         ray_position = i + projection_shift
-        bilinear_ray_update(image, image_update, theta, ray_position,
-                            projection[i])
+        bilinear_ray_update(
+            image, image_update, theta, ray_position, projection[i]
+        )
     return image_update
diff --git a/doc/for_dev/scikit-image/future/cmorph.py b/doc/for_dev/scikit-image/future/cmorph.py
index 3b82900..e6d31c7 100644
--- a/doc/for_dev/scikit-image/future/cmorph.py
+++ b/doc/for_dev/scikit-image/future/cmorph.py
@@ -1,6 +1,6 @@
 import numpy as np
 
-from transonic import boost, Optional, Array
+from transonic import Array, Optional, boost
 
 A = Array[np.uint8, "2d", "memview"]
 
diff --git a/doc/for_dev/scikit-image/pyx/_greyreconstruct.pyx b/doc/for_dev/scikit-image/pyx/_greyreconstruct.pyx
index d2e0779..fd149fd 100644
--- a/doc/for_dev/scikit-image/pyx/_greyreconstruct.pyx
+++ b/doc/for_dev/scikit-image/pyx/_greyreconstruct.pyx
@@ -8,8 +8,8 @@ All rights reserved.
 Original author: Lee Kamentsky
 
 """
-cimport numpy as cnp
 cimport cython
+cimport numpy as cnp
 
 
 @cython.boundscheck(False)
diff --git a/doc/for_dev/scikit-image/pyx/_radon_transform.pyx b/doc/for_dev/scikit-image/pyx/_radon_transform.pyx
index 5fbf11c..6b972ee 100644
--- a/doc/for_dev/scikit-image/pyx/_radon_transform.pyx
+++ b/doc/for_dev/scikit-image/pyx/_radon_transform.pyx
@@ -4,9 +4,9 @@
 #cython: wraparound=False
 import numpy as np
 
-cimport numpy as cnp
 cimport cython
-from libc.math cimport cos, sin, floor, ceil, sqrt, abs, M_PI
+cimport numpy as cnp
+from libc.math cimport M_PI, abs, ceil, cos, floor, sin, sqrt
 
 
 cpdef bilinear_ray_sum(cnp.double_t[:, :] image, cnp.double_t theta,
diff --git a/doc/for_dev/scikit-image/pyx/cmorph.pyx b/doc/for_dev/scikit-image/pyx/cmorph.pyx
index a16a3b4..ca39c6d 100644
--- a/doc/for_dev/scikit-image/pyx/cmorph.pyx
+++ b/doc/for_dev/scikit-image/pyx/cmorph.pyx
@@ -4,8 +4,9 @@
 #cython: wraparound=False
 
 import numpy as np
+
 cimport numpy as np
-from libc.stdlib cimport malloc, free
+from libc.stdlib cimport free, malloc
 
 
 def _dilate(np.uint8_t[:, :] image,
diff --git a/doc/for_dev/scikit-image/setup.py b/doc/for_dev/scikit-image/setup.py
index 96e4982..a55fc92 100644
--- a/doc/for_dev/scikit-image/setup.py
+++ b/doc/for_dev/scikit-image/setup.py
@@ -5,7 +5,7 @@
 
 import numpy as np
 
-from transonic.dist import make_backend_files, init_transonic_extensions
+from transonic.dist import init_transonic_extensions, make_backend_files
 
 path_here = Path(__file__).parent.absolute()
 include_dirs = [np.get_include()]
diff --git a/doc/for_dev/scikit-image/setup_codes/_greyreconstruct_reconstruction_loop.py b/doc/for_dev/scikit-image/setup_codes/_greyreconstruct_reconstruction_loop.py
index 61271b8..81e6bf2 100644
--- a/doc/for_dev/scikit-image/setup_codes/_greyreconstruct_reconstruction_loop.py
+++ b/doc/for_dev/scikit-image/setup_codes/_greyreconstruct_reconstruction_loop.py
@@ -1,6 +1,5 @@
 import numpy as np
 from future._greyreconstruct import reconstruction_loop
-
 from skimage.filters._rank_order import rank_order
 
 y, x = np.mgrid[:20:0.5, :20:0.5]
diff --git a/doc/for_dev/scikit-image/setup_codes/cmorph__dilate.py b/doc/for_dev/scikit-image/setup_codes/cmorph__dilate.py
index 790d8aa..381771c 100644
--- a/doc/for_dev/scikit-image/setup_codes/cmorph__dilate.py
+++ b/doc/for_dev/scikit-image/setup_codes/cmorph__dilate.py
@@ -14,4 +14,4 @@
 )
 out = np.zeros((rows, cols), dtype=np.uint8)
 shift_x = np.int8(2)
-shift_y = np.int8(2)
\ No newline at end of file
+shift_y = np.int8(2)
diff --git a/doc/for_dev/scikit-image/setup_pyx.py b/doc/for_dev/scikit-image/setup_pyx.py
index 1eea419..0006e45 100644
--- a/doc/for_dev/scikit-image/setup_pyx.py
+++ b/doc/for_dev/scikit-image/setup_pyx.py
@@ -1,4 +1,4 @@
-from distutils.core import setup, Extension
+from distutils.core import Extension, setup
 from pathlib import Path
 
 import numpy as np
diff --git a/noxfile.py b/noxfile.py
index 731c694..a66b96e 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -1,9 +1,9 @@
 import os
 import sys
-from packaging import version
 from pathlib import Path
 
 import nox
+from packaging import version
 
 os.environ.update({"PDM_IGNORE_SAVED_PYTHON": "1"})
 nox.options.reuse_existing_virtualenvs = 1
diff --git a/pyproject.toml b/pyproject.toml
index 1f76b0a..1cbf1aa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -78,6 +78,15 @@ doc = [
 ]
 dev = ["pip", "build", "pylint", "twine"]
 
+[tool.pdm.scripts]
+black = "black src _transonic_testing data_tests tests doc noxfile.py"
+isort = "isort --atomic --tc src _transonic_testing tests doc noxfile.py"
+black_check = "black --check src _transonic_testing data_tests tests doc noxfile.py"
+lint = {shell="pylint -rn --rcfile=pylintrc --jobs=$(nproc) src --exit-zero"}
+validate_code = {composite = ["black_check", "lint"]}
+format = {composite = ["black", "isort"]}
+
+
 
 [tool.pytest]
 addopts = "--doctest-modules"
@@ -90,6 +99,11 @@ addopts = "--pdbcls=IPython.terminal.debugger:TerminalPdb"
 line-length = 82
 target-version = ['py38']
 
+[tool.isort]
+profile = "black"
+line_length = 82
+src_paths = ["src", "_transonic_testing", "tests", "doc", "noxfile.py"]
+known_first_party = ["pythran"]
 
 [tool.coverage.run]
 branch = true
diff --git a/src/transonic/__init__.py b/src/transonic/__init__.py
index 3329818..633fd87 100644
--- a/src/transonic/__init__.py
+++ b/src/transonic/__init__.py
@@ -1,26 +1,24 @@
 from transonic._version import __version__
-
 from transonic.aheadoftime import Transonic, boost
 from transonic.backends import set_backend_for_this_module
-from transonic.config import set_backend
 from transonic.compiler import wait_for_all_extensions
+from transonic.config import set_backend
 from transonic.justintime import jit, set_compile_jit
-from transonic.util import set_compile_at_import
 from transonic.typing import (
     Array,
+    Dict,
+    List,
     NDim,
+    Optional,
+    Set,
+    Tuple,
     Type,
     Union,
-    List,
-    Tuple,
-    Dict,
-    Set,
+    const,
     str2type,
     typeof,
-    Optional,
-    const,
 )
-
+from transonic.util import set_compile_at_import
 
 __all__ = [
     "__version__",
diff --git a/src/transonic/aheadoftime.py b/src/transonic/aheadoftime.py
index 53b85ba..e65bdff 100644
--- a/src/transonic/aheadoftime.py
+++ b/src/transonic/aheadoftime.py
@@ -21,31 +21,30 @@
 
 """
 
+import functools
 import inspect
-import time
-import subprocess
 import os
-import functools
+import subprocess
 import sys
+import time
 from importlib import import_module
 
+from transonic import mpi
 from transonic.backends import backends, get_backend_name_module
-from transonic.config import has_to_replace, backend_default
+from transonic.config import backend_default, has_to_replace
 from transonic.log import logger
-from transonic import mpi
 from transonic.mpi import Path
-
 from transonic.util import (
+    _get_pathfile_from_frame,
+    find_module_name_from_path,
+    get_frame,
     get_module_name,
+    has_to_build,
     has_to_compile_at_import,
     import_from_path,
-    has_to_build,
-    modification_date,
     is_method,
+    modification_date,
     write_if_has_to_write,
-    find_module_name_from_path,
-    _get_pathfile_from_frame,
-    get_frame,
 )
 
 if mpi.nb_proc == 1:
diff --git a/src/transonic/analyses/__init__.py b/src/transonic/analyses/__init__.py
index 975e73b..b341ad1 100644
--- a/src/transonic/analyses/__init__.py
+++ b/src/transonic/analyses/__init__.py
@@ -18,27 +18,26 @@
 from pprint import pformat
 
 import gast as ast
-from transonic.analyses import beniget
 
+from transonic.analyses import beniget
 from transonic.log import logger
 
+from ..config import SUPPORTED_BACKENDS
+from . import extast
+from .blocks_if import get_block_definitions
+from .capturex import CaptureX
+from .objects_from_str import replace_strings_by_objects
+from .parser import parse_transonic_def_commands
 from .util import (
+    extract_returns_annotation,
+    extract_variable_annotations,
     filter_code_typevars,
+    find_path,
     get_annotations,
+    get_exterior_code,
     print_dumped,
     print_unparsed,
-    find_path,
-    get_exterior_code,
-    extract_variable_annotations,
-    extract_returns_annotation,
 )
-from .capturex import CaptureX
-from .blocks_if import get_block_definitions
-from .parser import parse_transonic_def_commands
-from .objects_from_str import replace_strings_by_objects
-from . import extast
-from ..config import SUPPORTED_BACKENDS
-
 
 __all__ = ["print_dumped", "print_unparsed"]
 
diff --git a/src/transonic/analyses/beniget.py b/src/transonic/analyses/beniget.py
index f89c748..e1098c1 100644
--- a/src/transonic/analyses/beniget.py
+++ b/src/transonic/analyses/beniget.py
@@ -1,10 +1,9 @@
 import gast as ast
-
-from beniget import Ancestors, DefUseChains as DUC, UseDefChains
-
+from beniget import Ancestors
+from beniget import DefUseChains as DUC
+from beniget import UseDefChains
 from beniget.beniget import Def
 
-
 __all__ = ["Ancestors", "DefUseChains", "UseDefChains"]
 
 
diff --git a/src/transonic/analyses/capturex.py b/src/transonic/analyses/capturex.py
index 0400a9c..88e658d 100644
--- a/src/transonic/analyses/capturex.py
+++ b/src/transonic/analyses/capturex.py
@@ -4,8 +4,7 @@
 
 import gast as ast
 
-from transonic.analyses import beniget
-from transonic.analyses import extast
+from transonic.analyses import beniget, extast
 
 
 class CaptureX(ast.NodeVisitor):
diff --git a/src/transonic/analyses/extast.py b/src/transonic/analyses/extast.py
index f30c0cd..7561b32 100644
--- a/src/transonic/analyses/extast.py
+++ b/src/transonic/analyses/extast.py
@@ -3,8 +3,8 @@
 
 """
 
-from io import StringIO
 from copy import deepcopy
+from io import StringIO
 
 import gast
 from gast.ast3 import GAstToAst3
diff --git a/src/transonic/analyses/justintime.py b/src/transonic/analyses/justintime.py
index 196c39c..26cf576 100644
--- a/src/transonic/analyses/justintime.py
+++ b/src/transonic/analyses/justintime.py
@@ -3,12 +3,14 @@
 
 """
 
-from transonic.analyses import extast
-from transonic.analyses import compute_ancestors_chains, get_decorated_dicts
+from transonic.analyses import (
+    compute_ancestors_chains,
+    extast,
+    get_decorated_dicts,
+)
 from transonic.analyses.capturex import CaptureX
-
-from transonic.log import logger
 from transonic.analyses.util import get_exterior_code
+from transonic.log import logger
 
 
 def analysis_jit(code, pathfile, backend_name):
diff --git a/src/transonic/analyses/parser.py b/src/transonic/analyses/parser.py
index 57fbb06..3734eff 100644
--- a/src/transonic/analyses/parser.py
+++ b/src/transonic/analyses/parser.py
@@ -3,8 +3,8 @@
 
 """
 
-from tokenize import tokenize, COMMENT
 from io import BytesIO
+from tokenize import COMMENT, tokenize
 
 
 def parse_transonic_def_commands(code: str):
diff --git a/src/transonic/analyses/util.py b/src/transonic/analyses/util.py
index 0e3fce2..75e9775 100644
--- a/src/transonic/analyses/util.py
+++ b/src/transonic/analyses/util.py
@@ -9,8 +9,7 @@
 
 import gast as ast
 
-from transonic.analyses import beniget
-from transonic.analyses import extast
+from transonic.analyses import beniget, extast
 
 try:
     import astunparse
diff --git a/src/transonic/backends/__init__.py b/src/transonic/backends/__init__.py
index e7cbb2d..beb84ed 100644
--- a/src/transonic/backends/__init__.py
+++ b/src/transonic/backends/__init__.py
@@ -29,7 +29,7 @@
 from typing import Iterable
 
 from transonic.config import backend_default
-from transonic.util import get_module_name, get_frame
+from transonic.util import get_frame, get_module_name
 
 from .cython import CythonBackend
 from .jax import JaxBackend
diff --git a/src/transonic/backends/base.py b/src/transonic/backends/base.py
index fecc6cb..aa53e33 100644
--- a/src/transonic/backends/base.py
+++ b/src/transonic/backends/base.py
@@ -14,30 +14,28 @@
 from textwrap import indent
 from typing import Iterable, Optional
 
-# from pprint import pprint
-
 import transonic
-
-from transonic.analyses import extast, analyse_aot, analyse_files
-from transonic.log import logger
-from transonic.compiler import compile_extension, ext_suffix
 from transonic import mpi
+from transonic.analyses import analyse_aot, analyse_files, extast
+from transonic.compiler import compile_extension, ext_suffix
+from transonic.config import backend_default
+from transonic.log import logger
 from transonic.mpi import PathSeq
 from transonic.signatures import compute_signatures_from_typeobjects
-from transonic.config import backend_default
-
 from transonic.util import (
-    has_to_build,
-    format_str,
-    write_if_has_to_write,
     TypeHintRemover,
+    format_str,
+    has_to_build,
     make_hex,
+    write_if_has_to_write,
 )
 
 from .base_jit import SubBackendJIT
 from .for_classes import make_new_code_method_from_nodes
 from .typing import TypeFormatter
 
+# from pprint import pprint
+
 
 class Backend:
     """Base class for the Transonic backends"""
diff --git a/src/transonic/backends/base_jit.py b/src/transonic/backends/base_jit.py
index 30968a5..e520aee 100644
--- a/src/transonic/backends/base_jit.py
+++ b/src/transonic/backends/base_jit.py
@@ -19,10 +19,10 @@
 except ImportError:
     np = None
 
+from transonic import mpi
 from transonic.analyses import extast
-from transonic.signatures import make_signatures_from_typehinted_func
 from transonic.log import logger
-from transonic import mpi
+from transonic.signatures import make_signatures_from_typehinted_func
 from transonic.typing import format_type_as_backend_type, typeof
 from transonic.util import get_source_without_decorator, path_root
 
diff --git a/src/transonic/backends/cython.py b/src/transonic/backends/cython.py
index 21295a3..0b6a697 100644
--- a/src/transonic/backends/cython.py
+++ b/src/transonic/backends/cython.py
@@ -20,12 +20,11 @@
 
 import copy
 import inspect
-
 from warnings import warn
 
-from transonic.analyses.extast import unparse, gast, FunctionDef, Name
+from transonic.analyses.extast import FunctionDef, Name, gast, unparse
 from transonic.signatures import make_signatures_from_typehinted_func
-from transonic.typing import format_type_as_backend_type, MemLayout
+from transonic.typing import MemLayout, format_type_as_backend_type
 
 from .base import BackendAOT, TypeHintRemover, format_str
 from .base_jit import SubBackendJIT
diff --git a/src/transonic/backends/for_classes.py b/src/transonic/backends/for_classes.py
index 65a4f0f..4f0a937 100644
--- a/src/transonic/backends/for_classes.py
+++ b/src/transonic/backends/for_classes.py
@@ -3,18 +3,17 @@
 
 """
 
-from tokenize import tokenize, untokenize, NAME, OP
-
 # from token import tok_name
 import inspect
 from io import BytesIO
+from tokenize import NAME, OP, tokenize, untokenize
 
 from transonic.signatures import compute_signatures_from_typeobjects
 
 # from transonic.log import logger
 from transonic.util import (
-    get_source_without_decorator,
     format_str,
+    get_source_without_decorator,
     make_code_from_fdef_node,
 )
 
diff --git a/src/transonic/backends/for_test_set_backend.py b/src/transonic/backends/for_test_set_backend.py
index 745b9e2..c5ab751 100644
--- a/src/transonic/backends/for_test_set_backend.py
+++ b/src/transonic/backends/for_test_set_backend.py
@@ -1,4 +1,4 @@
-from transonic import boost, jit, set_backend_for_this_module, Transonic
+from transonic import Transonic, boost, jit, set_backend_for_this_module
 
 set_backend_for_this_module("python")
 
diff --git a/src/transonic/backends/jax.py b/src/transonic/backends/jax.py
index 8caf29d..5827e79 100644
--- a/src/transonic/backends/jax.py
+++ b/src/transonic/backends/jax.py
@@ -16,7 +16,7 @@
 
 from typing import Optional
 
-from transonic.analyses.extast import parse, unparse, CommentLine, gast
+from transonic.analyses.extast import CommentLine, gast, parse, unparse
 from transonic.util import format_str
 
 from .py import PythonBackend, SubBackendJITPython
@@ -32,7 +32,9 @@ def add_jax_comments(code):
         # Replace `import numpy as np` -> `import jax.numpy as np`
         if isinstance(node, gast.Import):
             if (alias := node.names[0]).name == "numpy":
-                g_alias = gast.alias(name="jax.numpy", asname=alias.asname or alias.name)
+                g_alias = gast.alias(
+                    name="jax.numpy", asname=alias.asname or alias.name
+                )
                 node = gast.Import([g_alias])
 
         # Replace `from numpy import eye` -> `from jax.numpy import eye`
diff --git a/src/transonic/backends/numba.py b/src/transonic/backends/numba.py
index 7e2c307..80e1c93 100644
--- a/src/transonic/backends/numba.py
+++ b/src/transonic/backends/numba.py
@@ -16,7 +16,7 @@
 
 from typing import Optional
 
-from transonic.analyses.extast import parse, unparse, CommentLine, gast
+from transonic.analyses.extast import CommentLine, gast, parse, unparse
 from transonic.util import format_str
 
 from .py import PythonBackend, SubBackendJITPython
diff --git a/src/transonic/backends/typing.py b/src/transonic/backends/typing.py
index fa4e6f5..9b5f88d 100644
--- a/src/transonic/backends/typing.py
+++ b/src/transonic/backends/typing.py
@@ -1,4 +1,4 @@
-from transonic.typing import format_type_as_backend_type, MemLayout
+from transonic.typing import MemLayout, format_type_as_backend_type
 
 normalized_types = {"float": "float64", "complex": "complex128", "bool_": "bool"}
 
diff --git a/src/transonic/compiler.py b/src/transonic/compiler.py
index 9cc9755..2bf0741 100644
--- a/src/transonic/compiler.py
+++ b/src/transonic/compiler.py
@@ -19,20 +19,20 @@
 
 """
 
+import hashlib
+import logging
 import multiprocessing
+import os
 import subprocess
-import time
-from typing import Union, Optional
-import sysconfig
-import hashlib
 import sys
-import os
+import sysconfig
+import time
 from datetime import datetime
-import logging
+from typing import Optional, Union
 
 from transonic import mpi
-from transonic.mpi import Path, PathSeq
 from transonic.log import logger
+from transonic.mpi import Path, PathSeq
 from transonic.progress import Progress
 
 ext_suffix = sysconfig.get_config_var("EXT_SUFFIX") or ".so"
diff --git a/src/transonic/dist.py b/src/transonic/dist.py
index 85f3ccb..d1f40fe 100644
--- a/src/transonic/dist.py
+++ b/src/transonic/dist.py
@@ -14,18 +14,18 @@
 """
 
 import os
+import re
 import sys
+from concurrent.futures import ThreadPoolExecutor as Pool
 from pathlib import Path
 from sysconfig import get_config_var
 from typing import Iterable
-from concurrent.futures import ThreadPoolExecutor as Pool
-import re
 
 from setuptools.command.build_ext import build_ext as SetuptoolsBuildExt
 
 try:
-    from Cython.Distutils.build_ext import build_ext as CythonBuildExt
     from Cython.Build import cythonize
+    from Cython.Distutils.build_ext import build_ext as CythonBuildExt
 except ImportError:
     build_ext_classes = [SetuptoolsBuildExt]
     can_import_cython = False
@@ -43,11 +43,10 @@
     build_ext_classes.insert(0, PythranBuildExt)
     can_import_pythran = True
 
-from transonic.util import modification_date
+from transonic.backends import backends, make_backend_files
 from transonic.config import backend_default
-from transonic.backends import make_backend_files, backends
-from transonic.util import can_import_accelerator
 from transonic.log import get_logger
+from transonic.util import can_import_accelerator, modification_date
 
 __all__ = [
     "PythranBuildExt",
diff --git a/src/transonic/justintime.py b/src/transonic/justintime.py
index f9cd0ec..079ae43 100644
--- a/src/transonic/justintime.py
+++ b/src/transonic/justintime.py
@@ -54,27 +54,27 @@
 from functools import wraps
 from pathlib import Path
 
-from transonic.analyses.justintime import analysis_jit
+from transonic import mpi
 from transonic.aheadoftime import TransonicTemporaryJITMethod
+from transonic.analyses.justintime import analysis_jit
 from transonic.backends import backends, get_backend_name_module
-from transonic.config import has_to_replace, backend_default
+from transonic.config import backend_default, has_to_replace
 from transonic.log import logger
-from transonic import mpi
 from transonic.util import (
+    _get_pathfile_from_frame,
+    can_import_accelerator,
+    format_str,
+    get_frame,
+    get_info_from_ipython,
     get_module_name,
     has_to_build,
-    path_root,
-    get_info_from_ipython,
-    make_hex,
     has_to_compile_at_import,
     import_from_path,
     is_method,
-    write_if_has_to_write,
-    can_import_accelerator,
-    format_str,
+    make_hex,
+    path_root,
     strtobool,
-    get_frame,
-    _get_pathfile_from_frame,
+    write_if_has_to_write,
 )
 
 modules_backends = {backend_name: {} for backend_name in backends.keys()}
diff --git a/src/transonic/log.py b/src/transonic/log.py
index 89f46e9..1918c70 100644
--- a/src/transonic/log.py
+++ b/src/transonic/log.py
@@ -6,8 +6,8 @@
 """
 
 import logging
-from types import MethodType
 import os
+from types import MethodType
 
 
 def create_logger(name, show_time=False, show_path=False):
diff --git a/src/transonic/mpi.py b/src/transonic/mpi.py
index e2523dd..fa3a150 100644
--- a/src/transonic/mpi.py
+++ b/src/transonic/mpi.py
@@ -5,7 +5,7 @@
 
 import os
 from pathlib import Path
-from time import time, sleep
+from time import sleep, time
 
 mpi_timeout = float(os.environ.get("TRANSONIC_MPI_TIMEOUT", "5"))
 
diff --git a/src/transonic/progress.py b/src/transonic/progress.py
index a13ed20..9f95caa 100644
--- a/src/transonic/progress.py
+++ b/src/transonic/progress.py
@@ -8,7 +8,6 @@
 
 from transonic.log import logger
 
-
 try:
     import rich
 except ImportError:
@@ -28,4 +27,4 @@ def Progress(*args, **kwargs):
     logger.debug("Install rich for tracking progress.")
 else:
     logger.debug("Using rich for tracking progress.")
-    from rich.progress import track, Progress
+    from rich.progress import Progress, track
diff --git a/src/transonic/run.py b/src/transonic/run.py
index 04e6904..2608896 100644
--- a/src/transonic/run.py
+++ b/src/transonic/run.py
@@ -11,23 +11,22 @@
 """
 
 import argparse
-from pathlib import Path
-from glob import glob
 import sys
+from glob import glob
+from pathlib import Path
 
 from transonic import __version__
-
-from transonic.compiler import wait_for_all_extensions, scheduler
-
-from .backends import backends
+from transonic.analyses import analyse_files
+from transonic.compiler import scheduler, wait_for_all_extensions
 from transonic.config import backend_default
 from transonic.log import logger
 from transonic.util import (
-    has_to_build,
-    clear_cached_extensions,
     can_import_accelerator,
+    clear_cached_extensions,
+    has_to_build,
 )
-from transonic.analyses import analyse_files
+
+from .backends import backends
 
 doc = """
 transonic: easily speedup your Python code with Pythran
diff --git a/src/transonic/signatures.py b/src/transonic/signatures.py
index 602f876..2f060c3 100644
--- a/src/transonic/signatures.py
+++ b/src/transonic/signatures.py
@@ -14,8 +14,8 @@
 
 """
 
-import itertools
 import inspect
+import itertools
 from typing import List
 
 from transonic.typing import format_type_as_backend_type, str2type
diff --git a/src/transonic/typing.py b/src/transonic/typing.py
index 128cd65..7f1b6d8 100644
--- a/src/transonic/typing.py
+++ b/src/transonic/typing.py
@@ -67,9 +67,9 @@
 
 """
 
+import itertools
 import re
 from enum import Enum, auto
-import itertools
 
 import numpy as np
 
diff --git a/src/transonic/util.py b/src/transonic/util.py
index 05cdc03..60d4287 100644
--- a/src/transonic/util.py
+++ b/src/transonic/util.py
@@ -45,13 +45,13 @@
 
 """
 
-import os
-import sys
+import importlib.util
 import inspect
+import os
 import re
-from pathlib import Path
-import importlib.util
 import shutil
+import sys
+from pathlib import Path
 from textwrap import dedent
 from typing import Callable
 
@@ -101,17 +101,14 @@ def format_str(src_contents: str):
 
 from transonic import __version__
 from transonic.analyses import extast
-
 from transonic.compiler import (
     ext_suffix,
+    has_to_build,
     make_hex,
     modification_date,
-    has_to_build,
 )
-
 from transonic.config import path_root, strtobool
 
-
 __all__ = ["modification_date", "has_to_build", "path_root"]
 
 
@@ -406,8 +403,8 @@ def query_yes_no(question: str, default: str = None, force: bool = False):
 def clear_cached_extensions(module_name: str, force: bool, backend: str):
     """Delete the cached extensions related to a module"""
 
-    from transonic.backends import backends
     from transonic import mpi
+    from transonic.backends import backends
 
     backend = backends[backend]
     path_jit = mpi.Path(backend.jit.path_base)
diff --git a/src/transonic_cl/cythonize.py b/src/transonic_cl/cythonize.py
index 626f7d4..e35af81 100644
--- a/src/transonic_cl/cythonize.py
+++ b/src/transonic_cl/cythonize.py
@@ -1,8 +1,8 @@
 import sys
 from distutils.core import setup
 
-from Cython.Build import cythonize
 import numpy as np
+from Cython.Build import cythonize
 
 path = sys.argv.pop()
 sys.argv.extend(("build_ext", "--inplace"))
diff --git a/src/transonic_cl/get_includes.py b/src/transonic_cl/get_includes.py
index a5fd7db..b2c6008 100644
--- a/src/transonic_cl/get_includes.py
+++ b/src/transonic_cl/get_includes.py
@@ -1,8 +1,7 @@
 import argparse
 import sys
-from pathlib import Path
-
 from importlib import import_module
+from pathlib import Path
 
 
 def main():
diff --git a/src/transonic_cl/init_meson.py b/src/transonic_cl/init_meson.py
index aba456a..4883f27 100644
--- a/src/transonic_cl/init_meson.py
+++ b/src/transonic_cl/init_meson.py
@@ -1,9 +1,7 @@
 import argparse
 import sys
-
 from pathlib import Path, PurePosixPath
 
-
 template = """
 python_sources = [
 {sources}
diff --git a/src/transonic_cl/run_backend.py b/src/transonic_cl/run_backend.py
index 2b0cd37..402d644 100644
--- a/src/transonic_cl/run_backend.py
+++ b/src/transonic_cl/run_backend.py
@@ -8,14 +8,14 @@
 
 """
 
+import logging
+import os
 import subprocess
 import sys
-import logging
-from pathlib import Path
 import sysconfig
-from time import time, sleep
+from pathlib import Path
 from shutil import copyfile
-import os
+from time import sleep, time
 
 logger = logging.getLogger("transonic")
 logger.setLevel(logging.INFO)
diff --git a/tests/backends/test_backends.py b/tests/backends/test_backends.py
index f711125..a0d5717 100644
--- a/tests/backends/test_backends.py
+++ b/tests/backends/test_backends.py
@@ -1,10 +1,9 @@
 from transonic.config import backend_default
-
 from transonic.justintime import modules_backends
 
 
 def test_set_backend_for_this_module():
-    from transonic.backends.for_test_set_backend import ts, func
+    from transonic.backends.for_test_set_backend import func, ts
 
     assert ts.backend.name == "python"
     assert func() == 0
diff --git a/tests/backends/test_backends_typing.py b/tests/backends/test_backends_typing.py
index 188d358..b753054 100644
--- a/tests/backends/test_backends_typing.py
+++ b/tests/backends/test_backends_typing.py
@@ -1,7 +1,6 @@
 import numpy as np
 
 from transonic import Array
-
 from transonic.backends.typing import base_type_formatter
 
 
diff --git a/tests/test_build_ext.py b/tests/test_build_ext.py
index b0eed83..518db2b 100644
--- a/tests/test_build_ext.py
+++ b/tests/test_build_ext.py
@@ -1,16 +1,16 @@
 import os
-import sys
-from pathlib import Path
 import runpy
 import shutil
+import sys
 from contextlib import suppress
+from pathlib import Path
 
 import pytest
 
+from transonic.config import backend_default
 from transonic.dist import make_backend_files
 from transonic.mpi import nb_proc
 from transonic.path_data_tests import path_data_tests
-from transonic.config import backend_default
 
 cwd = Path.cwd().absolute()
 setup_dir = path_data_tests / "test_packaging"
diff --git a/tests/test_clean_dir.py b/tests/test_clean_dir.py
index 1455179..97145f4 100644
--- a/tests/test_clean_dir.py
+++ b/tests/test_clean_dir.py
@@ -1,7 +1,6 @@
 from unittest.mock import patch
 
 from transonic.backends import backends
-
 from transonic_cl.clean_dir import main
 
 cmd = "transonic-clean-dir"
diff --git a/tests/test_dist.py b/tests/test_dist.py
index b2328b4..4c750cc 100644
--- a/tests/test_dist.py
+++ b/tests/test_dist.py
@@ -1,19 +1,17 @@
 import shutil
-from setuptools import Distribution
 from pprint import pformat
 
 import pytest
+from setuptools import Distribution
 
 from transonic.config import backend_default
-
 from transonic.dist import (
-    detect_transonic_extensions,
-    modification_date,
-    make_backend_files,
     ParallelBuildExt,
+    detect_transonic_extensions,
     get_logger,
+    make_backend_files,
+    modification_date,
 )
-
 from transonic.mpi import nb_proc
 from transonic.path_data_tests import path_data_tests
 from transonic.util import can_import_accelerator
diff --git a/tests/test_init.py b/tests/test_init.py
index 06189f6..10ac91a 100644
--- a/tests/test_init.py
+++ b/tests/test_init.py
@@ -27,7 +27,7 @@ def test_not_transonified():
 
     importlib.reload(for_test_init)
 
-    from _transonic_testing.for_test_init import func, func1, check_class
+    from _transonic_testing.for_test_init import check_class, func, func1
 
     func(1, 3.14)
     func1(1.1, 2.2)
diff --git a/tests/test_init_transonified.py b/tests/test_init_transonified.py
index cc3c870..d2728bd 100644
--- a/tests/test_init_transonified.py
+++ b/tests/test_init_transonified.py
@@ -1,18 +1,18 @@
 import importlib
-import unittest
 import os
-import time
 import sys
+import time
+import unittest
 
+from transonic import mpi
+from transonic.aheadoftime import modules
 from transonic.backends import backends
 from transonic.config import backend_default
 from transonic.util import (
-    has_to_compile_at_import,
-    ext_suffix,
     can_import_accelerator,
+    ext_suffix,
+    has_to_compile_at_import,
 )
-from transonic.aheadoftime import modules
-from transonic import mpi
 
 backend = backends[backend_default]
 
diff --git a/tests/test_justintime.py b/tests/test_justintime.py
index a402d81..8dc811f 100644
--- a/tests/test_justintime.py
+++ b/tests/test_justintime.py
@@ -1,17 +1,17 @@
-import sys
 import os
-from time import sleep
+import sys
 from shutil import rmtree
+from time import sleep
 
 import numpy as np
 import pytest
 
+from transonic import mpi
 from transonic.backends import backends
 from transonic.compiler import scheduler, wait_for_all_extensions
+from transonic.config import backend_default
 from transonic.justintime import modules
-from transonic import mpi
 from transonic.util import can_import_accelerator
-from transonic.config import backend_default
 
 backend = backends[backend_default]
 scheduler.nb_cpus = 2
@@ -188,8 +188,8 @@ def test_main():
 
 def test_jit_imported():
     from _transonic_testing.for_test_justintime import (
-        jitted_func_import,
         func_import,
+        jitted_func_import,
     )
 
     result = jitted_func_import()
diff --git a/tests/test_meson.py b/tests/test_meson.py
index e243df1..f16cc2a 100644
--- a/tests/test_meson.py
+++ b/tests/test_meson.py
@@ -2,19 +2,18 @@
 
 """
 
-import sys
-import subprocess
 import os
-
-from shutil import copy
+import subprocess
+import sys
 from pathlib import Path
+from shutil import copy
 from unittest.mock import patch
 
 import pytest
 
-from transonic.run import run
 from transonic.config import backend_default
 from transonic.mpi import nb_proc
+from transonic.run import run
 
 test_dir = Path(__file__).absolute().parent
 
diff --git a/tests/test_run.py b/tests/test_run.py
index 4308e00..203d844 100644
--- a/tests/test_run.py
+++ b/tests/test_run.py
@@ -1,6 +1,6 @@
+import os
 import sys
 import time
-import os
 from shutil import rmtree
 
 import pytest
@@ -11,7 +11,6 @@
 from transonic.path_data_tests import path_data_tests
 from transonic.run import run
 
-
 path_dir_out = path_data_tests / f"__{backend_default}__"
 header_suffixes = {"pythran": ".pythran", "cython": ".pxd"}
 
diff --git a/tests/test_typing.py b/tests/test_typing.py
index f55462c..227a4d8 100644
--- a/tests/test_typing.py
+++ b/tests/test_typing.py
@@ -1,25 +1,24 @@
 import numpy as np
 
+from transonic.backends.typing import base_type_formatter
 from transonic.typing import (
     Array,
-    NDim,
-    str2type,
-    UnionMeta,
-    List,
-    ListMeta,
     Dict,
     DictMeta,
-    Set,
-    SetMeta,
-    typeof,
-    str2shape,
+    List,
+    ListMeta,
     MemLayout,
+    NDim,
     Optional,
+    Set,
+    SetMeta,
+    UnionMeta,
     const,
+    str2shape,
+    str2type,
+    typeof,
 )
 
-from transonic.backends.typing import base_type_formatter
-
 
 def compare_array_types(A0, A1):
     assert A0.dtype == A1.dtype
diff --git a/tests/test_util.py b/tests/test_util.py
index edce53f..116266d 100644
--- a/tests/test_util.py
+++ b/tests/test_util.py
@@ -1,5 +1,5 @@
 from transonic import util
-from transonic.util import query_yes_no, timeit, print_versions, timeit_verbose
+from transonic.util import print_versions, query_yes_no, timeit, timeit_verbose
 
 
 def test_query_yes_no():