Update video2.py

video2.py

@@ -302,7 +302,7 @@ async def generate_tts(id, lines, lang_input):
 
 def audio_func(id, lines, lang):
     """Synchronous wrapper for audio generation."""
-    return asyncio.run(generate_tts_(id, lines, lang))
+    return asyncio.run(generate_tts(id, lines, lang))
 
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