diff --git a/rhodecode/model/repo_permission.py b/rhodecode/model/repo_permission.py
--- a/rhodecode/model/repo_permission.py
+++ b/rhodecode/model/repo_permission.py
@@ -63,7 +63,7 @@ class RepositoryPermissionModel(BaseMode
                 .filter(UsersGroupRepoToPerm.repository == repository) \
                 .scalar()
 
-    def update_users_group_permission(self, repository, users_group, 
+    def update_users_group_permission(self, repository, users_group,
                                       permission):
         permission = Permission.get_by_key(permission)
         current = self.get_users_group_permission(repository, users_group)
@@ -94,4 +94,4 @@ class RepositoryPermissionModel(BaseMode
             self.update_users_group_permission(repository, user_group,
                                                permission)
         else:
-            self.delete_users_group_permission(repository, user_group)
\ No newline at end of file
+            self.delete_users_group_permission(repository, user_group)