Add limitations

app.py

@@ -195,7 +195,8 @@ def extract_faces(video_file):
     clip = ImageSequenceClip(
         [cv2.cvtColor(cv2.resize(f, (224, 224)), cv2.COLOR_BGR2RGB) for f in frames],
         fps=fps
-    ).MirrorY()
+    )
+    clip = vfx.MirrorY.apply(clip)
 
     # Save audio from original, resampled to 16kHz
     audio_path = os.path.join(tmpdir, "audio_16k.wav")