python-six is not a dependency since drop of python 2 in version 0.47.0:
d3fdde41af
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
(cherry picked from commit 37d3d24cc26d584d9772775afd4282019b7eb287)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>