Class A

Lib/test/test_class.py:455–457

        _testlimitedcapi = import_helper.import_module('_testlimitedcapi')

        class A:
            def __init__(self):
                self.attr = 1

        a = A()
        self.assertEqual(_testlimitedcapi.object_hasattrstring(a, b"attr"), 1)