Update app.py

app.py

@@ -231,7 +231,7 @@ def lipsync_inference(video_file, audio_file, output_file="output.mp4"):
     (
         ffmpeg.input(temp_video)
         .input(audio_file)
-        .output(output_file, c="copy", map="0:v:0", map="1:a:0")
+        .output(output_file, c="copy", map="0:v:0 1:a:0")
         .overwrite_output()
         .run(quiet=True)
     )