convert: workaround for cvsps.cache under Windows In non-cygwin environment, cvsps fails to create its cache directory and redirect its output to stderr. Just ignore the error and capture stderr as well.

import doctest

import mercurial.changelog
# test doctest from changelog

doctest.testmod(mercurial.changelog)

import mercurial.httprepo
doctest.testmod(mercurial.httprepo)