diff --git a/moulinette/authenticators/ldap.py b/moulinette/authenticators/ldap.py
index e0b0dfac..0320d375 100644
--- a/moulinette/authenticators/ldap.py
+++ b/moulinette/authenticators/ldap.py
@@ -117,7 +117,7 @@ class Authenticator(BaseAuthenticator):
 
         # we aren't using sha-512 but something else that is weaker, proceed to upgrade
         if not hashed_password["userPassword"][0].startswith("{CRYPT}$6$"):
-            self.update("cn=admin", {"userPassword": _hash_user_password(password),})
+            self.update("cn=admin", {"userPassword": _hash_user_password(password)})
 
     # Additional LDAP methods
     # TODO: Review these methods
diff --git a/moulinette/utils/log.py b/moulinette/utils/log.py
index 58d27d11..16a3fc23 100644
--- a/moulinette/utils/log.py
+++ b/moulinette/utils/log.py
@@ -16,6 +16,16 @@ from logging import (
     CRITICAL,
 )
 
+__all__ = [
+    "NOTSET",  # noqa
+    "DEBUG",
+    "INFO",
+    "WARNING",
+    "ERROR",
+    "CRITICAL",
+    "SUCCESS",
+]
+
 
 # Global configuration and functions -----------------------------------
 
@@ -35,7 +45,7 @@ DEFAULT_LOGGING = {
             "stream": "ext://sys.stdout",
         },
     },
-    "loggers": {"moulinette": {"level": "DEBUG", "handlers": ["console"],},},
+    "loggers": {"moulinette": {"level": "DEBUG", "handlers": ["console"]}},
 }
 
 
diff --git a/test/conftest.py b/test/conftest.py
index 23c4523c..68968cae 100644
--- a/test/conftest.py
+++ b/test/conftest.py
@@ -55,7 +55,7 @@ def patch_logging(moulinette):
                 "format": "%(asctime)-15s %(levelname)-8s %(name)s %(funcName)s - %(fmessage)s"  # noqa
             },
         },
-        "filters": {"action": {"()": "moulinette.utils.log.ActionFilter",},},
+        "filters": {"action": {"()": "moulinette.utils.log.ActionFilter"}},
         "handlers": {
             "api": {
                 "level": level,
@@ -68,14 +68,14 @@ def patch_logging(moulinette):
             },
         },
         "loggers": {
-            "moulinette": {"level": level, "handlers": [], "propagate": True,},
+            "moulinette": {"level": level, "handlers": [], "propagate": True},
             "moulinette.interface": {
                 "level": level,
                 "handlers": handlers,
                 "propagate": False,
             },
         },
-        "root": {"level": level, "handlers": root_handlers,},
+        "root": {"level": level, "handlers": root_handlers},
     }
 
 
diff --git a/test/test_actionsmap.py b/test/test_actionsmap.py
index a7d94cc8..89f12cdb 100644
--- a/test/test_actionsmap.py
+++ b/test/test_actionsmap.py
@@ -284,4 +284,4 @@ def test_actions_map_cli():
     assert 'testauth' in amap.parser._subparsers.choices
     assert 'none' in amap.parser._subparsers.choices['testauth']._actions[1].choices
     assert 'subcat' in amap.parser._subparsers.choices['testauth']._actions[1].choices
-    assert 'default' in amap.parser._subparsers.choices['testauth']._actions[1].choices['subcat']._actions[1].choices
\ No newline at end of file
+    assert 'default' in amap.parser._subparsers.choices['testauth']._actions[1].choices['subcat']._actions[1].choices
diff --git a/test/test_auth.py b/test/test_auth.py
index c6054003..01235db8 100644
--- a/test/test_auth.py
+++ b/test/test_auth.py
@@ -1,6 +1,5 @@
 import os
 import pytest
-import json
 
 from moulinette import MoulinetteError
 from moulinette import m18n
@@ -79,7 +78,6 @@ class TestAuthAPI:
         assert "session.id" not in moulinette_webapi.cookies
         assert "session.tokens" not in moulinette_webapi.cookies
 
-
     def test_login_csrf_attempt(self, moulinette_webapi):
         # C.f.
         # https://security.stackexchange.com/a/58308
diff --git a/test/test_filesystem.py b/test/test_filesystem.py
index 545574d0..12ccbc3b 100644
--- a/test/test_filesystem.py
+++ b/test/test_filesystem.py
@@ -4,8 +4,6 @@ import pytest
 import pwd
 import grp
 
-from stat import *
-
 from moulinette import m18n
 from moulinette.core import MoulinetteError
 from moulinette.utils.filesystem import (
@@ -158,6 +156,7 @@ def test_read_ldif_cannot_exception(test_ldif, mocker):
     expected_msg = translation.format(file=str(test_ldif), error=error)
     assert expected_msg in str(exception)
 
+
 def test_write_to_existing_file(test_file):
     write_to_file(str(test_file), "yolo\nswag")
     assert read_file(str(test_file)) == "yolo\nswag"
diff --git a/test/test_process.py b/test/test_process.py
index 93034d80..a687debe 100644
--- a/test/test_process.py
+++ b/test/test_process.py
@@ -25,6 +25,7 @@ def test_run_shell_bad_cmd_with_callback():
         assert isinstance(b, str)
         assert isinstance(c, str)
         return True
+
     assert run_commands(["yolo swag", "yolo swag", "yolo swag"], callback=callback) == 3
 
     def callback(a, b, c):
@@ -32,6 +33,7 @@ def test_run_shell_bad_cmd_with_callback():
         assert isinstance(b, str)
         assert isinstance(c, str)
         return False
+
     assert run_commands(["yolo swag", "yolo swag"], callback=callback) == 1
 
     def callback(a, b, c):
@@ -39,6 +41,7 @@ def test_run_shell_bad_cmd_with_callback():
         assert isinstance(b, str)
         assert isinstance(c, tuple)
         return True
+
     run_commands(["yolo swag"], separate_stderr=True, callback=callback)
 
 
@@ -62,9 +65,9 @@ def test_run_shell_kwargs():
 
 
 def test_call_async_output(test_file):
-
     def callback(a):
         assert a == "foo\n" or a == "bar\n"
+
     call_async_output(["cat", str(test_file)], callback)
 
     with pytest.raises(ValueError):
@@ -72,8 +75,10 @@ def test_call_async_output(test_file):
 
     def callbackA(a):
         assert a == "foo\n" or a == "bar\n"
+
     def callbackB(a):
         pass
+
     callback = (callbackA, callbackB)
     call_async_output(["cat", str(test_file)], callback)
 
@@ -91,8 +96,10 @@ def test_call_async_output_kwargs(test_file, mocker):
 
     def callbackA(a):
         assert a == "foo\n" or a == "bar\n"
+
     def callbackB(a):
         pass
+
     def callbackC(a):
         pass