Mac pycharm中无法安装unittest和HTMLTestRunner库求解决?
ERROR: Could not find a version that satisfies the requirement unittest (from versions: none)Try to run this command from the system terminal. Make sure that you use the correct version of 'pip' installed for your Python interpreter located at '/usr/local/bin/python3.7’.
Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple/
Collecting unittest
ERROR: Could not find a version that satisfies the requirement unittest (from versions: none)
ERROR: No matching distribution found for unittest其实本来是没有第二段的,但是一直装不上去,百度了很多好像把环境给装坏了,求大神支招。。想写ui自动化脚本现在直接把我搞崩溃了
unittest不是自带的吗?不是第三方库啊 版本不对 版本不匹配 版本 错误 更新版本
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