typing: add type hints to `cmdutil.findrepo()`
Since
10db46e128d4, pytype almost figured this out, going from `Any` -> `_T0`,
but the intent is obvious.
# Copyright 2016-present Facebook. All Rights Reserved.
#
# error: errors used in fastannotate
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
class CorruptedFileError(Exception):
pass
class CannotReuseError(Exception):
"""cannot reuse or update the cache incrementally"""