diff --git a/fastapi/responses.py b/fastapi/responses.py
index 011c54427..af98cf4e3 100644
--- a/fastapi/responses.py
+++ b/fastapi/responses.py
@@ -1,16 +1,15 @@
 from typing import Any
 
 from starlette.responses import (  # noqa: F401
-    FileResponse,                 # noqa: F401
-    HTMLResponse,                 # noqa: F401
-    JSONResponse,                 # noqa: F401
-    PlainTextResponse,           # noqa: F401
-    RedirectResponse,            # noqa: F401
-    Response,                    # noqa: F401
-    StreamingResponse,           # noqa: F401
+    FileResponse,  # noqa: F401
+    HTMLResponse,  # noqa: F401
+    JSONResponse,  # noqa: F401
+    PlainTextResponse,  # noqa: F401
+    RedirectResponse,  # noqa: F401
+    Response,  # noqa: F401
+    StreamingResponse,  # noqa: F401
 )
 
-
 try:
     import ujson
 except ImportError:  # pragma: nocover