根据【Flask Web 开发:基于Python的Web应用开发战】第7.5节所述,进行测试,

我在使用pip freeze >requirements.txt,报如下错误:

Fatal error in launcher: Unable to create process using '"'

 

1、我一开始用cmd进入dos窗口,然后进入工程,输入命令,报错!

pip freeze >requirements.txt报错Fatal error in launcher: Unable to create process

 

 2、我在PyCharm的窗口中输入,也报同样的错误,

pip freeze >requirements.txt报错Fatal error in launcher: Unable to create process

 

3、正确的操作,cmd进入Dos命令窗口,进入Python的安装目录,进行操作

pip freeze >requirements.txt报错Fatal error in launcher: Unable to create process

 

4、最终导出成功!

pip freeze >requirements.txt报错Fatal error in launcher: Unable to create process

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