__init__() takes 1 positional argument but 5 positional arguments (and 1 keyword-only argument) were

百度翻译：__init__（）接受1个位置参数，但使用了5个位置参数（和1个仅限关键字的参数）

问题：将python文件打包成bat文件，运行bat文件报错：__init__() takes 1 positional argument but 5 positional arguments (and 1 keyword-only argument) were

原因：pycharm使用的pymysql库的版本，和cmd里pymysql的版本不一致。

解决：卸载cmd中的pymysql，下载和pycharm一致版本的pymysql库。

我的：pycharm中的pymysql是0.10.1版本；cmd中的pymysql是1.0.2

在cmd中查看python库的命令，在cmd中输入：pip list

卸载pymysql：pip uninstall pymysql

卸载的时候会弹出proceed询问你是否删除(yes/no)，记得输入y

下载对应版本的pymysql：pip install pymysql==0.10.1

完成~~嘻嘻

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