def NoteUnaryOp(self, op, datakind): # pylint: disable=W0613
    """Called when handling an unary operation.

    @type op: string
    @param op: Operator

    """
    if datakind is not None:
      self._datakinds.add(datakind)

    self._NeedAllNames()
dataset/ETHPy150Open ganeti/ganeti/lib/query.py/_FilterHints.NoteUnaryOp/original