diff --git a/tests/test_tags.py b/tests/test_tags.py
index 3c5993ff3..e5471f32c 100644
--- a/tests/test_tags.py
+++ b/tests/test_tags.py
@@ -6,6 +6,7 @@ def test_string_is_invalid_in_router_tags():
     with pytest.raises(TypeError):
         APIRouter(tags="test")
 
+
 def test_string_is_invalid_in_router_route_tags():
     router = APIRouter()
 
@@ -24,4 +25,4 @@ def test_string_is_invalid_in_include_router_tags():
         ...
 
     with pytest.raises(TypeError):
-        app.include_router(router, prefix="/test", tags="test")
\ No newline at end of file
+        app.include_router(router, prefix="/test", tags="test")