docs: def check_nova():
      '''
      Check version of novaclient
      '''
      if HAS_NOVA:
          novaclient_ver = _LooseVersion(novaclient.__version__)
          min_ver = _LooseVersion(NOVACLIENT_MINVER)
          if min_ver <= novaclient_ver:
              return HAS_NOVA
          log.debug('Newer novaclient version required.  Minimum: %s', NOVACLIENT_MINVER)
      return False