Update app.py

app.py

@@ -84,12 +84,13 @@ import requests
 
 def generate_audio_elevenlabsfree(texto, voice_name):
     try:
-        audio = generate(
+        client = ElevenLabs()
+        audio = client.generate(
             text[:250], # Limit to 250 characters
             voice=voice_name, 
             model="eleven_multilingual_v2"
         )
-        return (44100, np.frombuffer(pad_buffer(audio), dtype=np.int16))
+        return (44100, np.frombuffer(gr.pad_buffer(audio), dtype=np.int16))
     except UnauthenticatedRateLimitError as e:
         raise gr.Error("Thanks for trying out ElevenLabs TTS! You've reached the free tier limit. Please provide an API key to continue.") 
     except Exception as e: