diff --git a/moulinette/actionsmap.py b/moulinette/actionsmap.py
index 64d00bd7..90656e61 100644
--- a/moulinette/actionsmap.py
+++ b/moulinette/actionsmap.py
@@ -14,7 +14,12 @@ from importlib import import_module
 from moulinette import m18n, msignals
 from moulinette.cache import open_cachefile
 from moulinette.globals import init_moulinette_env
-from moulinette.core import MoulinetteError, MoulinetteLock, MoulinetteAuthenticationError, MoulinetteValidationError
+from moulinette.core import (
+    MoulinetteError,
+    MoulinetteLock,
+    MoulinetteAuthenticationError,
+    MoulinetteValidationError,
+)
 from moulinette.interfaces import BaseActionsMapParser, GLOBAL_SECTION, TO_RETURN_PROP
 from moulinette.utils.log import start_action_logging
 
@@ -207,7 +212,9 @@ class PatternParameter(_ExtraParameter):
             if msg == message:
                 msg = m18n.g(message)
 
-            raise MoulinetteValidationError("invalid_argument", argument=arg_name, error=msg)
+            raise MoulinetteValidationError(
+                "invalid_argument", argument=arg_name, error=msg
+            )
         return arg_value
 
     @staticmethod
diff --git a/moulinette/authenticators/ldap.py b/moulinette/authenticators/ldap.py
index 93cf0717..2cd1dfc2 100644
--- a/moulinette/authenticators/ldap.py
+++ b/moulinette/authenticators/ldap.py
@@ -10,7 +10,11 @@ import time
 import ldap.modlist as modlist
 
 from moulinette import m18n
-from moulinette.core import MoulinetteError, MoulinetteAuthenticationError, MoulinetteLdapIsDownError
+from moulinette.core import (
+    MoulinetteError,
+    MoulinetteAuthenticationError,
+    MoulinetteLdapIsDownError,
+)
 from moulinette.authenticators import BaseAuthenticator
 
 logger = logging.getLogger("moulinette.authenticator.ldap")
diff --git a/moulinette/interfaces/api.py b/moulinette/interfaces/api.py
index 4bb4ef41..9ab34fb2 100644
--- a/moulinette/interfaces/api.py
+++ b/moulinette/interfaces/api.py
@@ -545,6 +545,7 @@ class _ActionsMapPlugin(object):
 
 # HTTP Responses -------------------------------------------------------
 
+
 def moulinette_error_to_http_response(error):
 
     content = error.content()