diff --git a/djangoldp/permissions.py b/djangoldp/permissions.py
index 56c3fa3fe6504f78b4b09d1a2810f6add41fee6b..7b5c1345a60808f019aac5c518c57eb4029e7a40 100644
--- a/djangoldp/permissions.py
+++ b/djangoldp/permissions.py
@@ -1,6 +1,6 @@
-from rest_framework import permissions
-from rest_framework import filters
 from guardian.shortcuts import get_objects_for_user
+from rest_framework import filters
+from rest_framework import permissions
 
 """
 Liste des actions passées dans views selon le protocole REST :
@@ -16,6 +16,7 @@ Pour chacune de ces actions, on va définir si on accepte la requête (True) ou
     checks have already passed
 """
 
+
 class WACPermissions(permissions.DjangoObjectPermissions):
     perms_map = {
         'GET': ['%(app_label)s.view_%(model_name)s'],
@@ -50,6 +51,7 @@ class ObjectFilter(filters.BaseFilterBackend):
         objects = get_objects_for_user(request.user, perm, klass=queryset)
         return objects
 
+
 class ObjectPermission(WACPermissions):
     filter_class = ObjectFilter
 
@@ -60,7 +62,7 @@ class InboxPermissions(WACPermissions):
         Author can edit
     """
     anonymous_perms = ['view', 'create']
-    authenticated_perms = ['view','create']
+    authenticated_perms = ['view', 'create']
     author_perms = ['view']
 
     def has_permission(self, request, view):
@@ -84,6 +86,7 @@ class InboxPermissions(WACPermissions):
             else:
                 return self.authenticated_perms
 
+
 class AnonymousReadOnly(WACPermissions):
     """
         Anonymous users: can read all posts
@@ -92,7 +95,7 @@ class AnonymousReadOnly(WACPermissions):
     """
 
     anonymous_perms = ['view']
-    authenticated_perms = ['view','add']
+    authenticated_perms = ['view', 'add']
     author_perms = ['view', 'add', 'change', 'control', 'delete']
 
     def has_permission(self, request, view):
@@ -123,4 +126,4 @@ class AnonymousReadOnly(WACPermissions):
             if hasattr(obj._meta, 'auto_author') and getattr(obj, obj._meta.auto_author) == request.user:
                 return self.author_perms
             else:
-                return self.authenticated_perms
\ No newline at end of file
+                return self.authenticated_perms
diff --git a/djangoldp/tests/tests_user_permissions.py b/djangoldp/tests/tests_user_permissions.py
index 9f510926f6146eb85dc3934df149cd1308f33988..5bda0e5880cc96337b74e0344cf8f3f087e882d8 100644
--- a/djangoldp/tests/tests_user_permissions.py
+++ b/djangoldp/tests/tests_user_permissions.py
@@ -7,6 +7,7 @@ from djangoldp.views import LDPViewSet
 
 import json
 
+
 class TestUserPermissions(APITestCase):
 
     def setUp(self):