Update app.py

app.py

@@ -66,6 +66,7 @@ async def get_voices():
     return {f"{v['ShortName']} - {v['Locale']} ({v['Gender']})": v['ShortName'] for v in voices}
 
 async def generate_audio_with_voice_prefix(text_segment, default_voice, rate, pitch):
+    global default_voice_short  # Use the global variable
     """Generates audio for a text segment, handling voice prefixes, retries, and fallback."""
     print(f"Text: {text_segment}")  #Debug
     voice_map = {