Update python-docker for rocky/stein with fixed upgrade path
Update python-docker for rocky/stein with fixed upgrade path

Fedora 29 rebuild + proposed fix:
https://src.fedoraproject.org/rpms/python-docker/pull-request/14

Change-Id: Iccd85c8e6515965347474d228e6933d575108e8c
Fixes: https://bugs.launchpad.net/tripleo/+bug/1806853

redhat-openstack/rdoinfo,javierpena/rdoinfo