def test_unset_attr(self):
        for func in [self.b, self.fi.a]:
            try:
                func.non_existent_attr
            except __HOLE__:
                pass
            else:
                self.fail("using unknown attributes should raise "
                          "AttributeError")
dataset/ETHPy150Open amrdraz/kodr/app/brython/www/src/Lib/test/test_funcattrs.py/ArbitraryFunctionAttrTest.test_unset_attr