Updated openstack/openstack
Project: openstack/python-glanceclient  6807e3b24919127866271844e88844df0e9326a5
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Sync from oslo-incubator

Sync from oslo-incubator contains various python3 fixes.

Change-Id: I55e867450d65d9fa74fd6ef6ffece2bbb9f929cf
Signed-off-by: Chuck Short <chuck.short@canonical.com>