Update middlewares.py

Author: baseplate-admin

ninja_put_patch_file_upload_middleware/middlewares.py

@@ -1,9 +1,18 @@
-from collections.abc import Callable
-from typing import Any, Union
-
+import sys
 from asgiref.sync import iscoroutinefunction, sync_to_async
 from django.http import HttpRequest, HttpResponse
 from django.utils.decorators import sync_and_async_middleware
+from typing import Any
+
+if sys.version_info >= (3, 9):
+    from collections.abc import Callable
+else:
+    from typing import Callable
+
+if sys.version_info >= (3, 10):
+    from typing import Union
+else:
+    from typing_extensions import Union
 
 
 @sync_and_async_middleware