diff --git a/tests/test_tutorial/test_custom_response/test_tutorial001.py b/tests/test_tutorial/test_custom_response/test_tutorial001.py
index ce0b54ca6..5cab23c83 100644
--- a/tests/test_tutorial/test_custom_response/test_tutorial001.py
+++ b/tests/test_tutorial/test_custom_response/test_tutorial001.py
@@ -1,5 +1,4 @@
 import pytest
-
 from fastapi.testclient import TestClient
 
 from docs_src.custom_response.tutorial001 import app
diff --git a/tests/test_tutorial/test_custom_response/test_tutorial001b.py b/tests/test_tutorial/test_custom_response/test_tutorial001b.py
index 12ed2dcf9..06da8b151 100644
--- a/tests/test_tutorial/test_custom_response/test_tutorial001b.py
+++ b/tests/test_tutorial/test_custom_response/test_tutorial001b.py
@@ -1,5 +1,4 @@
 import pytest
-
 from fastapi.testclient import TestClient
 
 from docs_src.custom_response.tutorial001b import app
diff --git a/tests/test_tutorial/test_custom_response/test_tutorial009c.py b/tests/test_tutorial/test_custom_response/test_tutorial009c.py
index 113830a50..1f4436bcc 100644
--- a/tests/test_tutorial/test_custom_response/test_tutorial009c.py
+++ b/tests/test_tutorial/test_custom_response/test_tutorial009c.py
@@ -1,5 +1,4 @@
 import pytest
-
 from fastapi.testclient import TestClient
 
 from docs_src.custom_response.tutorial009c import app