Python package

Fix up checks in Makefile and make them portable #982

Sign in to view logs

Run time

Learn about OS pricing on GitHub Actions

Job	Run time
build (3.7)	2m 10s
build (3.8)	2m 45s
build (3.9)	2m 26s
build (3.10)	2m 59s
build (3.11)	2m 39s
build (3.12)	2m 53s
	15m 52s