use string interpolation instead of `format` method #500

Sign in to view logs

Run time

Learn about OS pricing on GitHub Actions

Job	Run time
test (8, ubuntu-latest)	2m 6s
test (8, windows-latest)	3m 27s
test (11, ubuntu-latest)	2m 14s
test (17, ubuntu-latest)	2m 18s
	10m 5s