Updated openstack/openstack
Project: openstack/heat  b7ae16025bcbbd653a9f15b308128c321bf7bd1a
null
Sort requirement files in alphabetical order

This makes code more readable, and can check whether specific library
in the requirement files easily. We also enforce the check in pep8.

Change-Id: I032c3c3d29522ce85f64b21d6428d975e46cc701
Closes-Bug: #1285478
Updated openstack/openstack
Project: openstack/heat  06ac482ac520a9b8cc8da3f6a208880cd8e6c194
null
Order imports in alphabetical order (5/9)

This patch is one in a series to re-enable H306 style check rule
(imports are in alphabetical order).
It touches engine files (without resources).

Implements: blueprint reduce-flake8-ignored-rules (partial)
Change-Id: Ifd36fc49199c48af891bd8e7cc2d2262a53032eb