TypeError: handle_error_json() missing 1 required positional argument: 'exception'

app.register_error_handler(Exception, handle_error_json())

改正后

app.register_error_handler(Exception, handle_error_json)

来源：CSDN

作者：weixin_45603120

链接：https://blog.csdn.net/weixin_45603120/article/details/104717806