`cryptography` package dependency requires rustlang

[idcrook]

cryptography python package is a dependency, but recent versions of this package rely on rustlang, and was causing plugin install build errors.

cryptography package related: https://stackoverflow.com/a/75298101/47850

# https://stackoverflow.com/a/75298101/47850
~/oprint/bin/pip install cryptography==3.3.2

[idcrook]

One solution is to use older version of package that does not have this requirement.