Refs #34118 -- Adopted asgiref coroutine detection shims.

Thanks to Mariusz Felisiak for review.

1 files changed, 3 insertions, 4 deletions

diff --git a/tests/middleware_exceptions/middleware.py b/tests/middleware_exceptions/middleware.py
index 5a0c82afb1..f50aa61327 100644
--- a/tests/middleware_exceptions/middleware.py
+++ b/tests/middleware_exceptions/middleware.py
@@ -1,4 +1,4 @@
-import asyncio
+from asgiref.sync import iscoroutinefunction, markcoroutinefunction
 
 from django.http import Http404, HttpResponse
 from django.template import engines
@@ -15,9 +15,8 @@ log = []
 class BaseMiddleware:
     def __init__(self, get_response):
         self.get_response = get_response
-        if asyncio.iscoroutinefunction(self.get_response):
-            # Mark the class as async-capable.
-            self._is_coroutine = asyncio.coroutines._is_coroutine
+        if iscoroutinefunction(self.get_response):
+            markcoroutinefunction(self)
 
     def __call__(self, request):
         return self.get_response(request)