D1138: webcommands: replace str(ctx) etc with pycompat.bytestr(ctx) etc

[pulkit (Pulkit Goyal)]

pulkit added a comment.


  yayay <https://phab.mercurial-scm.org/macro/meme/?macro=yayay>

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D1138

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