fix(auth): prevent TypeError and support home-dir cert fallback for X… - #18016

fix(auth): prevent TypeError and support home-dir cert fallback for X…#18016

attharva-24 wants to merge 2 commits into

googleapis:maingoogleapis/google-cloud-python:mainfrom

attharva-24:fix-wif-ecp-542359992attharva-24/google-cloud-python:fix-wif-ecp-542359992Copy head branch name to clipboard