D2251: py3: introduce and use pycompat.getargspec

[indygreg (Gregory Szorc)]

indygreg accepted this revision.
indygreg added inline comments.
This revision is now accepted and ready to land.

INLINE COMMENTS

> perf.py:43
>  
> +
>  # for "historical portability":

This looks like a double space. I'll fix this in flight.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D2251

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