@WithDesc("ValueNone")
def TValueNone(val):
  return val == constants.VALUE_NONE
Applies the correct ordering to the given version queryset.
dataset/ETHPy150Open ganeti/ganeti/lib/ht.py/TValueNone--crossover with--dataset/ETHPy150Open sshwsfc/xadmin/xadmin/plugins/xversion.py/BaseReversionView._order_version_queryset