add bulk edit grades

generic/decorators.py

@@ -1,11 +1,16 @@
 from django.core.exceptions import PermissionDenied
 
+
 def user_is_cid_user_manager(function):
     def wrap(request, *args, **kwargs):
-        if request.user.groups.filter(name='cid_user_manager').exists() or request.user.is_superuser:
+        if (
+            request.user.groups.filter(name="cid_user_manager").exists()
+            or request.user.is_superuser
+        ):
             return function(request, *args, **kwargs)
         else:
             raise PermissionDenied
+
     wrap.__doc__ = function.__doc__
     wrap.__name__ = function.__name__
-    return wrap
+    return wrap