fixed app.py

app.py

@@ -81,7 +81,7 @@ def summarize_and_convert_to_audio(pdf_file):
         write_wav(buffer, sampling_rate, audio_data.astype(np.float32))
         audio_bytes = buffer.getvalue()
     
-    return audio_bytes
+    return audio_bytes, one_sentence_summary
 
 
 # Create a Gradio interface