mercurial/cext/base85.pyi

rebase: keep str-keyed opts long enough to make `action` a str

This is just another little py3 cleanup.

Differential Revision: https://phab.mercurial-scm.org/D10891

from typing import Optional

version: int

def b85encode(text: bytes, pad: Optional[int]) -> bytes: ...
def b85decode(text: bytes) -> bytes: ...