Update app.py

app.py

@@ -73,7 +73,7 @@ def respond(message, history):
         response = vq.submit_query(message)
         logging.debug(f"Chat response: {response}")
         logging.debug(f"Chat response type: {type(response)}")
-        return response
+        yield response
 
 def random_fun(message, history):
     return message + '!'