D5120: match: fix up a repr to not crash on Python 3

[martinvonz (Martin von Zweigbergk)]

martinvonz added inline comments.

INLINE COMMENTS

> durin42 wrote in match.py:1176
> I could swear I've seen cases where it's not, but maybe we can prune this out after the freeze?

Yes, after or not at all :) I mostly pointed it out so you know for future patches (if I'm even correct about it)

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D5120

To: durin42, #hg-reviewers, pulkit
Cc: martinvonz, mercurial-devel