@FeatureNew('is_disabler', '0.52.0')
@noKwargs
def func_is_disabler(self, node, args, kwargs):
    if (len(args) != 1):
        raise InvalidCode('Is_disabler takes one argument.')
    varname = args[0]
    return isinstance(varname, Disabler)
@FeatureNew('is_disabler', '0.52.0')
@noKwargs
def func_is_disabler(self, node, args, kwargs):
    if (len(args) != 1):
        raise InvalidCode('Is_disabler takes one argument.')
    varname = args[0]
    return isinstance(varname, Disabler)