thg fails to start with AttributeError: 'module' object has no attribute 'IGNORES'
Ubuntu 18.04 up to date, tortoise hg 5.6
$ thg Traceback (most recent call last): File "/usr/local/bin/thg", line 67, in <module> demandimport.IGNORES.update([ AttributeError: 'module' object has no attribute 'IGNORES'
Mercurial 5.6
`$ hg --version Mercurial Distributed SCM (version 5.6) (see https://mercurial-scm.org for more information)
Copyright (C) 2005-2020 Matt Mackall and others This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. `