Cleanup imports

rest_framework_nested/relations.py

@@ -5,12 +5,13 @@
 model relationships with hyperlinks.
 """
 from __future__ import annotations
+
 from functools import reduce
-from typing import Any, TypeVar, Generic
+from typing import Any, Generic, TypeVar
 
 from django.core.exceptions import ObjectDoesNotExist
 from django.db.models import Model
-from rest_framework.relations import HyperlinkedRelatedField, ObjectValueError, ObjectTypeError
+from rest_framework.relations import HyperlinkedRelatedField, ObjectTypeError, ObjectValueError
 from rest_framework.exceptions import ValidationError
 from rest_framework.request import Request
 

rest_framework_nested/routers.py

@@ -26,13 +26,12 @@
 """
 
 from __future__ import annotations
+
 import sys
 import re
 from typing import Any
 
-from rest_framework.routers import SimpleRouter, DefaultRouter
-from rest_framework.viewsets import ViewSetMixin
-
+from rest_framework.routers import DefaultRouter, SimpleRouter
 
 if sys.version_info[0] < 3:
     IDENTIFIER_REGEX = re.compile(r"^[^\d\W]\w*$")

rest_framework_nested/viewsets.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 import contextlib
-from typing import Any, Generic, TypeVar, Iterator
+from typing import Any, Generic, Iterator, TypeVar
 
 from django.core.exceptions import ImproperlyConfigured
 from django.db.models import Model, QuerySet