You should consider upgrading via the ' python-m pip install--upgrade pip '

Always prompt to upgrade pip when installing the Python module Pyh, then follow the prompts to enter:

python-m pip Install--upgrade pip

Or not, some say to execute cmd with administrator privileges, the result is still a failure,

Last use

Pip Install--user--upgrade pip

(PS: If not successful, you can try Pip install--upgrade setuptools first)

Upgrade successful

Look at the PIP version

Pip--version

Pip 9.0.1 from ......

The result installs Pyh when prompt to have found PYH, but there is a PyH2, looked under and pyh the same

You should consider upgrading via the ' python-m pip install--upgrade pip '