Massimiliano Culpo 296d58ef6b Creating versions from urls doesn't modify class attributes (#15452) ... fixes #15449 Before this PR a call to pkg.url_for_version was modifying class attributes determining different results for subsequents calls and an error when the urls was empty.		2020-03-20 11:45:40 -07:00
..
spack	Creating versions from urls doesn't modify class attributes (#15452)	2020-03-20 11:45:40 -07:00