Update app.py

app.py

@@ -2,6 +2,8 @@ import os
 import openai
 import gradio as gr
 from transformers import pipeline
+import tempfile
+import requests
 
 openai.api_key = os.getenv("OPENAI_API_KEY")
 pipe = pipeline(model="Ussen/whisper-medium-swc-drc-kat-1")
@@ -120,8 +122,11 @@ def inference(text):
         voice="alloy",
         text=text
     )
-    audio_url = response['url']
-    return audio_url
+    if 'url' in response:
+        audio_url = response['url']
+        return audio_url
+    else:
+        raise Exception("An error occurred: OpenAI did not return an 'url' for the audio file.")
 
 def process_audio_and_respond(audio):
     text = transcribe(audio)