Update app.py

app.py

@@ -131,7 +131,7 @@ if user_query:
             response = ""
             try:
                 for chunk in chat_streaming:
-                    content = chunk.get('choices', [{}])[0].get('delta', {}).get('content', None)
+                    content = chunk.choices[0].delta.content
                     if content:  # Ensure content is not None
                         response += content
                 st.write("🤖:")