There was an error checking the latest version of pip

You need to manually update pip with:

python -m pip install --upgrade pip

As per discussion on the issues page on Github

This issue should now be fixed in future versions of pip

Pull request on Github

This worked for me:

python -m pip install --upgrade pip

have you tried:

python -m pip install --upgrade pip

or

pip install --upgrade pip

Good luck

It's Just a Warning for upgrading the pip you can do it with any of these commands

python -m pip install --upgrade pip 

or

pip install --upgrade

pip Cheers Mate