Changing `[b'sh', b'mach']` to `[b'python3', b'mach']` works. (Of course it will break when we are operating on old changesets.)
Bug 1749681 Comment 10 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
Changing `[b'sh', b'mach']` to `[b'python3', b'mach']` works.