Update app.py

app.py

@@ -19,8 +19,8 @@ def generate_song(reference_audio, lyrics_file, style_prompt, duration):
     # (This part of the model could be improved to accept the string directly)
 
     output_path = jamify_model.predict(
-        reference_audio_path=ref_audio_path,
-        lyrics_json_path=lyrics_path,
+        reference_audio_path=reference_audio,
+        lyrics_json_path=lyrics_file,
         style_prompt=style_prompt,
         duration_sec=duration
     )