---
upgrade:
  - |
    A bug that prevented Designate from starting up when services
    are running a mixture of Python 2 and 3 has been fixed, but there is
    still an issue when running a mixture of a patched and unpatched
    versions of Designate under Python 3.

    See `bug 1828534`_ for more information.

    .. _bug 1828534: https://bugs.launchpad.net/designate/+bug/1828534
fixes:
  - |
    Fixed an `issue`_ when upgrading to Python 3 (where bytes and str are
    different types) and _update_partitions() attempts to sort types of 'str'
    and 'bytes', causing designate-producer to crash.

    .. _issue: https://bugs.launchpad.net/designate/+bug/1828534