Update app.py

app.py

@@ -50,7 +50,7 @@ def extract_json_content(response):
 
 async def generate_voiceover(text, output_filename):
     try:
-        tts = edge_tts.Communicate(text, voice="us-EN-AvaNeural")
+        tts = edge_tts.Communicate(text, voice="en-US-AvaNeural")
         await tts.save(output_filename)
     except Exception as e:
         logger.error(f"Error generating: {str(e)}")