2021-06-03pip error valueerror: unable to find resource t64.exe in package pip_ vendor.distlib

pip Report errors ValueError: Unable to find resource t64.exe in package pip._vendor.distlib
Next, I write down the actual problems I encounter and the steps to solve them

###1, I PIP A package when , Remind me pip edition Too low
###2, Prompt error is ：ValueError: Unable to find resource t64.exe in package pip._vendor.distlib
###3, uninstall python -m pip uninstall pip setuptools（ Most of the answers on the Internet are like this ）
###4, adopt pip3 install --upgrade pip Successfully installed the latest pip