def __init__(self, name, owner=UNDEFINED):
        if owner is not UNDEFINED:
            message = '%s has no member named "%s"' % (repr(owner), name)
        else:
            message = '"%s" not defined' % name
        TemplateRuntimeError.__init__(self, message)
dataset/ETHPy150Open timonwong/OmniMarkupPreviewer/OmniMarkupLib/Renderers/libs/python3/genshi/template/eval.py/UndefinedError.__init__/original