[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

debug_toolbar/utils.py

@@ -6,7 +6,7 @@
 import sys
 import warnings
 from pprint import PrettyPrinter, pformat
-from typing import Any, Dict, List, Optional, Sequence, Tuple, Union
+from typing import Any, Sequence
 
 from asgiref.local import Local
 from django.http import QueryDict

tests/test_csp_rendering.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import Dict, cast
+from typing import cast
 from xml.etree.ElementTree import Element
 
 from django.conf import settings