pull-force-topic: fixed py3 compat issue
Closes heptapod#292 (closed)
File "mercurial/bundlerepo.py", line 481, in makebundlerepository
url = b'bundle:%s+%s' % (util.expandpath(repopath), bundlepath)
TypeError: %b requires a bytes-like object, or an object that implements bytes, not 'str'
Not detected by test because makebundlerepository()
is called
only for non-local repositories.