Updated openstack/openstack
Project: openstack/heat  cd57b82b4911b1a88874a0f065880675cbd2e366

Order imports in alphabetical order (9/9)

This patch fixes all the missed and newly introduced violations of the H306
style checking rule and enables it in tox.

Change-Id: I5566e66421d5397c0103958f02ea38e6e3c68892
Implements: blueprint reduce-flake8-ignored-rules (partial)