diff --git a/scripts/print_vers.py b/scripts/print_vers.py
index 457808152..d422df040 100644
--- a/scripts/print_vers.py
+++ b/scripts/print_vers.py
@@ -4,6 +4,7 @@
 
 ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
+
 def check_file(path, prefix, case_sensitive=False):
     with open(os.path.join(ROOT_DIR, path), "r") as f:
         for line in f:
@@ -11,9 +12,10 @@ def check_file(path, prefix, case_sensitive=False):
             if case_sensitive:
                 line = line.lower()
             if line.startswith(prefix):
-                print(path,":", line)
+                print(path, ":", line)
+
 
 check_file("crates/hyperqueue/Cargo.toml", "version")
 check_file("crates/pyhq/Cargo.toml", "version")
 check_file("nedoc.conf", "project_version")
-check_file("CHANGELOG.md", "# dev", case_sensitive=True)
\ No newline at end of file
+check_file("CHANGELOG.md", "# dev", case_sensitive=True)
diff --git a/tests/pyapi/__init__.py b/tests/pyapi/__init__.py
index 2ff914973..77988d49e 100644
--- a/tests/pyapi/__init__.py
+++ b/tests/pyapi/__init__.py
@@ -1,10 +1,11 @@
 import os.path
 from typing import List, Tuple
 
-from hyperqueue import LocalCluster
 from hyperqueue.client import Client
 from hyperqueue.job import Job
 
+from hyperqueue import LocalCluster
+
 from ..conftest import HqEnv
 from ..utils.mock import ProgramMock
 
diff --git a/tests/pyapi/test_cluster.py b/tests/pyapi/test_cluster.py
index a77a4668f..a53d73a75 100644
--- a/tests/pyapi/test_cluster.py
+++ b/tests/pyapi/test_cluster.py
@@ -1,5 +1,4 @@
 import pytest
-
 from hyperqueue.cluster import LocalCluster, WorkerConfig
 from hyperqueue.job import Job
 
diff --git a/tests/pyapi/test_function.py b/tests/pyapi/test_function.py
index d061b617c..b581d8c6e 100644
--- a/tests/pyapi/test_function.py
+++ b/tests/pyapi/test_function.py
@@ -3,7 +3,6 @@
 from pathlib import Path
 
 import pytest
-
 from hyperqueue.client import Client, FailedJobsException, PythonEnv
 from hyperqueue.ffi.protocol import ResourceRequest
 from hyperqueue.job import Job
diff --git a/tests/pyapi/test_job.py b/tests/pyapi/test_job.py
index cdee595b5..9bfa8cf9a 100644
--- a/tests/pyapi/test_job.py
+++ b/tests/pyapi/test_job.py
@@ -4,7 +4,6 @@
 
 import iso8601
 import pytest
-
 from hyperqueue.client import FailedJobsException
 from hyperqueue.ffi.protocol import ResourceRequest
 from hyperqueue.job import Job