diff --git a/debug_toolbar/toolbar.py b/debug_toolbar/toolbar.py
index a1f347d58..d444abc87 100644
--- a/debug_toolbar/toolbar.py
+++ b/debug_toolbar/toolbar.py
@@ -4,8 +4,8 @@
 
 import re
 import uuid
-from collections import OrderedDict
 from functools import lru_cache
+from typing import OrderedDict
 
 from django.apps import apps
 from django.conf import settings
@@ -16,9 +16,11 @@
 from django.urls import include, path, re_path, resolve
 from django.urls.exceptions import Resolver404
 from django.utils.module_loading import import_string
-from django.utils.translation import get_language, override as lang_override
+from django.utils.translation import get_language
+from django.utils.translation import override as lang_override
 
-from debug_toolbar import APP_NAME, settings as dt_settings
+from debug_toolbar import APP_NAME
+from debug_toolbar import settings as dt_settings
 from debug_toolbar.panels import Panel
 
 
diff --git a/tests/test_csp_rendering.py b/tests/test_csp_rendering.py
index d5d5d1016..043e98905 100644
--- a/tests/test_csp_rendering.py
+++ b/tests/test_csp_rendering.py
@@ -10,13 +10,13 @@
 from .base import BaseTestCase
 
 
-def _get_ns(element: Element) -> dict[str, str]:
+def _get_ns(element: Element) -> Dict[str, str]:
     """
     Return the default `xmlns`. See
     https://docs.python.org/3/library/xml.etree.elementtree.html#parsing-xml-with-namespaces
     """
     if not element.tag.startswith('{'):
-        return dict()
+        return {}
     return {'': element.tag[1:].split('}', maxsplit=1)[0]}