CI: use become to install python3

Message ID 693356@I65ca794955a1b1419853bf63be36cb0d1f2d2345
State Accepted
Headers show

Message

Marcin Juszkiewicz Nov. 7, 2019, 1:44 p.m.
Project: openstack/kolla-ansible
https://review.openstack.org/#/c/693356/

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