Update main.py

main.py

@@ -61,7 +61,7 @@ def handle_message(event):
         return
 
     if working_status:
-        out = client.predict(event.message.text, [[event.message.text, null]], api_name='/user')
+        out = client.predict(event.message.text, [[event.message.text, ]], api_name='/user')
         if not out:
             out = "不懂您的意思!"
         line_bot_api.reply_message(