Update app.py

app.py

@@ -247,7 +247,7 @@ def tensor_to_video(video_tensor, fps=30, output_path="output.mp4"):
     fourcc = cv2.VideoWriter_fourcc(*"mp4v")  # MP4 Codec
     out = cv2.VideoWriter(output_path, fourcc, fps, (width, height))
     
-    for frame in prod_video:
+    for frame in video_numpy:
         out.write(frame)
     out.release()