Update app.py

app.py

@@ -103,13 +103,16 @@ def function(Textbox,Textbox2,Textbox3):
             messages.append(
                 {"role": "user", "content": i}
             )
-        chat = openai.ChatCompletion.create(
-            model="gpt-3.5-turbo", messages=messages
-        )
-        print(messages)
-        reply = chat.choices[0].message.content
-        messages.append({"role": "assistant", "content": reply})
-        return reply
+        try:   
+            chat = openai.ChatCompletion.create(
+                model="gpt-3.5-turbo", messages=messages
+            )
+            print(messages)
+            reply = chat.choices[0].message.content
+            messages.append({"role": "assistant", "content": reply})
+            return reply
+        except:
+            return "Model Down!"
     else:
         return "Failed"