diff --git a/fastapi/middleware/wsgi.py b/fastapi/middleware/wsgi.py
index 22c172dcd..69e4dcab9 100644
--- a/fastapi/middleware/wsgi.py
+++ b/fastapi/middleware/wsgi.py
@@ -1 +1,3 @@
-from starlette.middleware.wsgi import WSGIMiddleware as WSGIMiddleware  # pragma: no cover # noqa
+from starlette.middleware.wsgi import (
+    WSGIMiddleware as WSGIMiddleware,
+)  # pragma: no cover # noqa