diff --git a/graphene_django/fields.py b/graphene_django/fields.py
index e078ba4..e3129c6 100644
--- a/graphene_django/fields.py
+++ b/graphene_django/fields.py
@@ -167,5 +167,6 @@ class DjangoField(Field):
         """Intercept resolver to analyse permissions"""
         parent_resolver = super(DjangoField, self).get_resolver(parent_resolver)
         if self.permissions:
-            return partial(get_unbound_function(self.permissions_resolver), parent_resolver, self.permissions, None, None, True)
+            return partial(get_unbound_function(self.permissions_resolver), parent_resolver, self.permissions, None,
+                           None, True)
         return parent_resolver
diff --git a/graphene_django/forms/mutation.py b/graphene_django/forms/mutation.py
index 4bc3075..ecf492c 100644
--- a/graphene_django/forms/mutation.py
+++ b/graphene_django/forms/mutation.py
@@ -13,7 +13,7 @@ from graphene.types.mutation import MutationOptions
 from graphene.types.utils import yank_fields_from_attrs
 from graphene_django.registry import get_global_registry
 
-from .converter import convert_form_field, convert_form_field_with_choices
+from .converter import convert_form_field_with_choices
 from .types import ErrorType