diff --git a/django_prometheus/db/common.py b/django_prometheus/db/common.py
index 538810c0..7f87dfca 100644
--- a/django_prometheus/db/common.py
+++ b/django_prometheus/db/common.py
@@ -63,16 +63,18 @@ class CursorWrapper(cursor_class):
 
         def execute(self, *args, **kwargs):
             execute_total.labels(alias, vendor).inc()
-            with query_duration_seconds.labels(**labels).time(), ExceptionCounterByType(
-                errors_total, extra_labels=labels
+            with (
+                query_duration_seconds.labels(**labels).time(),
+                ExceptionCounterByType(errors_total, extra_labels=labels),
             ):
                 return super().execute(*args, **kwargs)
 
         def executemany(self, query, param_list, *args, **kwargs):
             execute_total.labels(alias, vendor).inc(len(param_list))
             execute_many_total.labels(alias, vendor).inc(len(param_list))
-            with query_duration_seconds.labels(**labels).time(), ExceptionCounterByType(
-                errors_total, extra_labels=labels
+            with (
+                query_duration_seconds.labels(**labels).time(),
+                ExceptionCounterByType(errors_total, extra_labels=labels),
             ):
                 return super().executemany(query, param_list, *args, **kwargs)
 
diff --git a/django_prometheus/tests/end2end/testapp/test_caches.py b/django_prometheus/tests/end2end/testapp/test_caches.py
index ed34989f..7c6a94e7 100644
--- a/django_prometheus/tests/end2end/testapp/test_caches.py
+++ b/django_prometheus/tests/end2end/testapp/test_caches.py
@@ -6,6 +6,7 @@
 
 _SUPPORTED_CACHES = ["memcached.PyLibMCCache", "memcached.PyMemcacheCache", "filebased", "locmem", "native_redis"]
 
+
 class TestCachesMetrics:
     """Test django_prometheus.caches metrics."""
 
@@ -33,7 +34,7 @@ def test_counters(self, supported_cache):
 
     def test_redis_cache_fail(self):
         # Note: test use fake service config (like if server was stopped)
-        supported_cache = "native_redis"
+        supported_cache = "redis"
         total_before = get_metric("django_cache_get_total", backend=supported_cache) or 0
         fail_before = get_metric("django_cache_get_fail_total", backend=supported_cache) or 0
         hit_before = get_metric("django_cache_get_hits_total", backend=supported_cache) or 0