How to use the conan.image_v11.Registry function in conan

def test_Registry(self):
        Registry('assa')

def test_flatten(self):
        test_arch = self.get_test_loc('repos/hello-world.tar')
        test_dir = self.extract_test_tar(test_arch)
        expected = os.path.join(self.get_test_loc('repos'), 'hello-world.tar.flatten.expected.json')
        reg = Registry()
        reg.populate(test_dir)
        # ignore the repo_dir and layer_dir that are absolute directories
        result = [{name: value for name, value in layer.items() if not name.endswith('dir')}
                   for layer in reg.flatten()]
        check_expected(result, expected, regen=False)

def test_populate(self):
        test_arch = self.get_test_loc('repos/imagesv11.tar')
        test_dir = self.extract_test_tar(test_arch)
        expected = os.path.join(self.get_test_loc('repos'), 'imagesv11.tar.registry.expected.json')
        repo = Registry()
        repo.populate(test_dir)
        # ignore the repo dir by only keeping the values
        result = [r.as_dict() for r in repo.repos().values()]
        check_expected(result, expected, regen=False)

def test_populate_for_images_with_direct_at_root_layerid_dot_tar_tarball(self):
        test_arch = self.get_test_loc('repos/imagesv11_with_tar_at_root.tar')
        test_dir = self.extract_test_tar(test_arch)
        expected = os.path.join(self.get_test_loc('repos'), 'imagesv11_with_tar_at_root.tar.registry.expected.json')
        repo = Registry()
        repo.populate(test_dir)
        # ignore the repo dir by only keeping the values
        result = [r.as_dict() for r in repo.repos().values()]
        check_expected(result, expected, regen=False)

def test_populate_hello_world(self):
        test_arch = self.get_test_loc('repos/hello-world.tar')
        test_dir = self.extract_test_tar(test_arch)
        expected = os.path.join(self.get_test_loc('repos'), 'hello-world.tar.registry.expected.json')
        repo = Registry()
        repo.populate(test_dir)
        # ignore the repo dir by only keeping the values
        result = [r.as_dict() for r in repo.repos().values()]
        check_expected(result, expected, regen=False)