[Updated] D8919: mergestate: use collections.defaultdict(dict) for _stateextras

[pulkit (Pulkit Goyal)]

pulkit added inline comments.

INLINE COMMENTS

> indygreg wrote in mergestate.py:701
> This changes behavior so `pop()` will raise `KeyError` on a missing key. Is this desired?

Nope. It's was my wrong understanding of `collections.defaultdict()`. Fixed it.

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D8919/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D8919

To: pulkit, #hg-reviewers, marmoute
Cc: indygreg, mercurial-patches
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