---
prelude: >
    Python 2.7 will not be maintained past 2020 and because of that we are
    dropping Python 2 support.
upgrade:
  - |
    Python 2.7 support has been dropped. Last release of Designate
    to support python 2.7 is OpenStack Train. The minimum version of Python now
    supported by Designate is Python 3.6.