【Error】TypeError: expected str, bytes or os. PathLike object, not int

1 Problem description

In the installation tensorflow Time of library package , Meet and os Module related errors ：TypeError: expected str, bytes or os.PathLike object, not int

2 The reason for the error

pip Problems caused by version , One environment is py2.7, In order to be able to use pip Revised and reduced the version , Cause now pip Out of commission .

3 Temporary solution

No caching

pip install package_name --no-cache-dir

4 Permanent solution

to update pip

pip install --upgrade pip --no-cache-dir

pip install package_name

Reference material

https://blog.csdn.net/weixin_41010198/article/details/117228472