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A new setuptools release has changed the way pip installs are done, see [0]. With this change we switch back to using the distro method for global pip installs. Temporarily make grenade jobs non-voting in order to allow this patch to be backported. [0] http://lists.openstack.org/pipermail/openstack-discuss/2020-August/016905.html Change-Id: I5d8aa0e58e0409c54451b51de5eb70ba9a68d849