Removed unused imports

Author: syrusakbary

graphene_django/filter/fields.py

@@ -1,7 +1,5 @@
 from functools import partial
 
-from django_filters import OrderingFilter
-
 from ..fields import DjangoConnectionField
 from .utils import get_filtering_args_from_filterset, get_filterset_class
 

graphene_django/filter/filterset.py

@@ -1,11 +1,9 @@
 import itertools
 
-import six
-from django.conf import settings
 from django.db import models
 from django.utils.text import capfirst
 from django_filters import Filter, MultipleChoiceFilter
-from django_filters.filterset import BaseFilterSet, FilterSet, FilterSetMetaclass
+from django_filters.filterset import BaseFilterSet, FilterSet
 from django_filters.filterset import FILTER_FOR_DBFIELD_DEFAULTS
 
 from graphql_relay.node.node import from_global_id

graphene_django/filter/utils.py

@@ -1,7 +1,5 @@
 import six
 
-from graphene import String
-
 from .filterset import custom_filterset_factory, setup_filterset