PyType (boolean definition) { PyClassLikeType str = getObjectType("str"); PyClassLikeType unicode = getObjectType("unicode"); if (str != null && str.isDefinition() ^ definition) { str = definition ? str.toClass() : str.toInstance(); } if (unicode != null && unicode.isDefinition() ^ definition) { unicode = definition ? unicode.toClass() : unicode.toInstance(); } return PyUnionType.union(str, unicode); }