config: make kolla work with oslo.config 7.0.0+

Message ID 701946@I77fdbcb905b1a7f2d535c3a37b2899118d1442c5
State Accepted
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Message

Marcin Juszkiewicz Jan. 10, 2020, 12:20 p.m.
Project: openstack/kolla
https://review.openstack.org/#/c/701946/

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