pip and venv commands
imp init - bless current dir as a venv imp bless
imp drop -- drop a virtual env imp drop foo
imp list imp install foo imp uninstall foo
imp clean - remove all packages imp update - check for new package udates imp upgrade - upgrade version of python
imp clean Remove xxx? [Ynaqh]
https://github.com/CITGuru/PyInquirer/blob/master/PyInquirer/prompts/expand.py
imptools.pre.bless imptools.post.bless
imptools.post.install