Update app.py

app.py

@@ -356,7 +356,7 @@ async def head_image():
 @app.head("/status/video")
 async def head_video():
     return Response(
-        status_code=500,
+        status_code=207,
         headers={
             "Content-Type": "video/mp4",
             "Accept-Ranges": "bytes",