D1898: localrepo: consistently use native str when __dict__ is involved

[pulkit (Pulkit Goyal)]

pulkit accepted this revision.
pulkit added a comment.


  Looks good, the skip-blame part in commit message can be dropped during flight.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D1898

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