1.去修改如下目标文件（python第三方安装包）E:\envir\py\Lib\site-packages\flake8
2.1\views\.py:219:12: W291 trailing whitespace
2.2一行最长是79的警告
2.3.\utils\.py:5:1: W191 indentation contains tabs
2.4.\utils\.py:18:1: E101 indentation contains mixed spaces and tabs
3.如图修改就好
