def __or__(self, other ):
        if isinstance( other, basestring ):
            other = ParserElement.literalStringClass( other )
        if not isinstance( other, ParserElement ):
            warnings.warn("Cannot combine element of type %s with ParserElement" % type(other),
                    SyntaxWarning, stacklevel=2)
            return None
        return MatchFirst( [ self, other ] )
Registers the given app label with the given app verbose name.
dataset/ETHPy150Open pypa/pip/pip/_vendor/pyparsing.py/ParserElement.__or__--crossover with--dataset/ETHPy150Open pydanny/django-admin2/djadmin2/core.py/Admin2.register_app_verbose_name