Merge pull request gnocchixyz#1151 from gnocchixyz/mergify/bp/stable/…

…4.4/pr-1147

Fix Python 3.8, SQLAlchemy 1.4 and MySQL 8 (backport gnocchixyz#1147)

Merge pull request gnocchixyz#1153 from gnocchixyz/mergify/bp/stable/…

…4.3/pr-1151

Fix Python 3.8, SQLAlchemy 1.4 and MySQL 8 (backport gnocchixyz#1147) (backport gnocchixyz#1151)

Revert "Pin oslo.policy<=3.4.0"

It broke e.g ceilometer/aodh on devstack.
This reverts commit a2d84f5.

Resolves: gnocchixyz#1095
(cherry picked from commit 6937eff)

gnocchi 4.4.0

- drop python2 support
- remove cradox support

try forcing newer version of six on to travis image

it's not installing correct version when it installs twine during
deploy

gnocchi 4.3.3

gnocchi 4.2.6

gnocchi 4.3.2

gnocchi 4.3.1

Gnocchi 4.3.0