diff --git a/n3fit/src/n3fit/scripts/vp_setupfit.py b/n3fit/src/n3fit/scripts/vp_setupfit.py
index fe844117bb..3fe9ae8b47 100644
--- a/n3fit/src/n3fit/scripts/vp_setupfit.py
+++ b/n3fit/src/n3fit/scripts/vp_setupfit.py
@@ -38,24 +38,18 @@
 from validphys.app import App
 from validphys.config import Config, ConfigError, Environment, EnvironmentError_
 
-SETUPFIT_FIXED_CONFIG = dict(
-    actions_=[
-        'datacuts check_t0pdfset',
-        'theory check_positivity',
-    ]
-)
+SETUPFIT_FIXED_CONFIG = dict(actions_=['datacuts check_t0pdfset', 'theory check_positivity'])
 
 SETUPFIT_PROVIDERS = [
+    'n3fit.n3fit_checks_provider',
+    'validphys.commondata',
+    'validphys.covmats',
     'validphys.filters',
-    'validphys.theorycovariance.construction',
     'validphys.results',
-    'validphys.covmats',
-    'n3fit.n3fit_checks_provider',
+    'validphys.theorycovariance.construction',
 ]
 
-SETUPFIT_DEFAULTS = dict(
-    use_cuts='internal',
-)
+SETUPFIT_DEFAULTS = dict(use_cuts='internal')
 
 
 log = logging.getLogger(__name__)
@@ -70,8 +64,6 @@
 class SetupFitError(Exception):
     """Exception raised when setup-fit cannot succeed and knows why"""
 
-    pass
-
 
 class SetupFitEnvironment(Environment):
     """Container for information to be filled at run time"""
@@ -178,7 +170,7 @@ class SetupFitApp(App):
     config_class = SetupFitConfig
 
     def __init__(self):
-        super(SetupFitApp, self).__init__(name='setup-fit', providers=SETUPFIT_PROVIDERS)
+        super().__init__(name='setup-fit', providers=SETUPFIT_PROVIDERS)
 
     @property
     def argparser(self):