Update app.py

app.py

@@ -313,7 +313,7 @@ def inference_by_model(text: str, audio_file: str, save_path: str) -> str:
 import asyncio
 from pathlib import Path
 
-async def generate_story_audios_async(story: StoryCreationDTO, base_output: str, max_concurrent_gpu: int = 1):
+async def generate_story_audios(story: StoryCreationDTO, base_output: str, max_concurrent_gpu: int = 1):
     """
     Generates audio files for the story while overlapping GPU inference and disk writes.
     max_concurrent_gpu: semaphore to limit simultaneous GPU usage (1 if GPU is the bottleneck)