chore(generator): move read_environment_variables to _compat.py.j2 - #17997

chore(generator): move read_environment_variables to _compat.py.j2#17997

hebaalazzeh wants to merge 3 commits into

maingoogleapis/google-cloud-python:mainfrom

chore/move-read-environment-variablesgoogleapis/google-cloud-python:chore/move-read-environment-variablesCopy head branch name to clipboard