diff --git a/samples/snippets/subscriber.py b/samples/snippets/subscriber.py
index 1bb60454d..ecb2cf17b 100644
--- a/samples/snippets/subscriber.py
+++ b/samples/snippets/subscriber.py
@@ -236,11 +236,7 @@ def create_subscription_with_filtering(
 
     with subscriber:
         subscription = subscriber.create_subscription(
-            request={
-                "name": subscription_path,
-                "topic": topic_path,
-                "filter": filter,
-            }
+            request={"name": subscription_path, "topic": topic_path, "filter": filter}
         )
         print(f"Created subscription with filtering enabled: {subscription}")
     # [END pubsub_create_subscription_with_filter]
diff --git a/samples/snippets/subscriber_test.py b/samples/snippets/subscriber_test.py
index 2699f698c..98d11967e 100644
--- a/samples/snippets/subscriber_test.py
+++ b/samples/snippets/subscriber_test.py
@@ -43,7 +43,7 @@
 NEW_ENDPOINT = f"https://{PROJECT_ID}.appspot.com/push2"
 DEFAULT_MAX_DELIVERY_ATTEMPTS = 5
 UPDATED_MAX_DELIVERY_ATTEMPTS = 20
-FILTER = "attributes.author=\"unknown\""
+FILTER = 'attributes.author="unknown"'
 
 C = TypeVar("C", bound=Callable[..., Any])
 
@@ -401,7 +401,9 @@ def test_create_subscription_with_filtering(
     except NotFound:
         pass
 
-    subscriber.create_subscription_with_filtering(PROJECT_ID, TOPIC, SUBSCRIPTION_ADMIN, FILTER)
+    subscriber.create_subscription_with_filtering(
+        PROJECT_ID, TOPIC, SUBSCRIPTION_ADMIN, FILTER
+    )
 
     out, _ = capsys.readouterr()
     assert "Created subscription with filtering enabled" in out