gh-121190: Emit a better error message from `importlib.resources.files()` when module spec is `None`" (#148460)

Also merges incidental changes from importlib_resources 7.1.

Co-authored by: Yuichiro Tachibana (Tsuchiya) <t.yic.yt@gmail.com>

Jason R. Coombs committed 4d ago

480edc1aae0f54e34d217c72eb2962702c82a666

Parent: b29afe6

Committed by GitHub <noreply@github.com> on 4/12/2026, 10:15:01 PM