def default(self, cls=None):
    default = super(Time, self).default(cls)
    if (not isinstance(default, om.MTime)):
        default = om.MTime(default, om.MTime.kSeconds)
    return default
def default(self, cls=None):
    default = super(Time, self).default(cls)
    if (not isinstance(default, om.MTime)):
        default = om.MTime(default, om.MTime.kSeconds)
    return default