Repo's shebang calls "python", likely due to legacy reasons. Meanwhile, distros like Debian/Ubuntu seems to do not have the "python" symlink by default. Given WebKit already requires python3, we could invoke repo with python3 explicitly.
Pull request: https://github.com/WebKit/WebKit/pull/14776
Committed 264984@main (dabb231e24dc): <https://commits.webkit.org/264984@main> Reviewed commits have been landed. Closing PR #14776 and removing active labels.