Installing Ranger file manager on Mac OS

Try to install ranger with the command from the git repo documentation

sudo pip install ranger-fm

The following message pops up :(

DEPRECATION: Python 2.7 reached the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 is no longer maintained. pip 21.0 will drop support for Python 2.7 in January 2021. More details…