Update app.py

app.py

@@ -12,10 +12,13 @@ def completion(prompt):
     stop=None,
     temperature=0.5
   )
-  return response.choices[0].text
+  return response.choices[0].text[2:]
 
 def greet(question):
-    return completion(question)
+    if question[-3:]=='???':
+      return completion(question)
+    else:
+      return 'Unknown error'
 
 demo = gr.Interface(fn=greet, inputs=gr.Textbox(lines=20, placeholder='Please enter your question'), outputs=gr.Textbox(lines=20, placeholder='Waiting for AI to answer'))