Update app.py

app.py

@@ -877,7 +877,7 @@ Example: 'Received {total_slides} slides, {total_slides} scripts, and HTML files
                 await asyncio.sleep(0.1)
                 continue
             
-            max_audio_retries = 2
+            max_audio_retries = 5
             for attempt in range(max_audio_retries + 1):
                 try:
                     current_text = cleaned_script
@@ -893,7 +893,7 @@ Example: 'Received {total_slides} slides, {total_slides} scripts, and HTML files
                     
                     logger.info("Generated audio for slide %d: %s", i + 1, audio_file)
                     audio_files.append(audio_file)
-                    audio_urls[i] = get_gradio_file_url(audio_file)
+                    audio_urls[i] = f"/gradio_api/file={audio_file}"
                     progress = 90 + ((i + 1) / len(scripts)) * 10
                     label = f"Generating lecture speech for slide {i + 1}/{len(scripts)}..."
                     file_paths.append(audio_file)