PEP 517 compatibility

[mazzma12]

Description

run pip install pygrok to see a disclaimer

Message

  DEPRECATION: promise is being installed using the legacy 'setup.py inst
all' method, because it does not have a 'pyproject.toml' and the 'wheel' 
package is not installed. pip 23.1 will enforce this behaviour change. A 
possible replacement is to enable the '--use-pep517' option. Discussion c
an be found at https://github.com/pypa/pip/issues/8559