Update app.py

app.py

@@ -33,7 +33,7 @@ def inference(audio_file, model_name, vocals, drums, bass, other, mp3, mp3_bitra
     cmd = f"demucs -n {model_name} --clip-mode clamp --shifts=1"
     if mp3:
         cmd += f" --mp3 --mp3-bitrate={mp3_bitrate}"
-    cmd += f" \"{audio_file}\""
+    cmd += f" --filename \"{audio_file}\""
 
     # Run Demucs
     demucs.separate.main(shlex.split(cmd))