How to use the catalogue.RegistryError function in catalogue

def test_registry_get_set():
    test_registry = catalogue.create("test")
    with pytest.raises(catalogue.RegistryError):
        test_registry.get("foo")
    test_registry.register("foo", func=lambda x: x)
    assert "foo" in test_registry

def test_get_set():
    catalogue._set(("a", "b", "c"), "test")
    assert len(catalogue.REGISTRY) == 1
    assert ("a", "b", "c") in catalogue.REGISTRY
    assert catalogue.check_exists("a", "b", "c")
    assert catalogue.REGISTRY[("a", "b", "c")] == "test"
    assert catalogue._get(("a", "b", "c")) == "test"
    with pytest.raises(catalogue.RegistryError):
        catalogue._get(("a", "b", "d"))
    with pytest.raises(catalogue.RegistryError):
        catalogue._get(("a", "b", "c", "d"))
    catalogue._set(("x", "y", "z1"), "test1")
    catalogue._set(("x", "y", "z2"), "test2")
    assert catalogue._remove(("a", "b", "c")) == "test"
    catalogue._set(("x", "y2"), "test3")
    with pytest.raises(catalogue.RegistryError):
        catalogue._remove(("x", "y"))
    assert catalogue._remove(("x", "y", "z2")) == "test2"

def _get(namespace: Sequence[str]) -> Any:
    """Get the value for a given namespace.

    namespace (Sequence[str]): The namespace.
    RETURNS (Any): The value for the namespace.
    """
    global REGISTRY
    if not all(isinstance(name, str) for name in namespace):
        err = "Invalid namespace. Expected tuple of strings, but got: {}"
        raise ValueError(err.format(namespace))
    namespace = tuple(namespace)
    if namespace not in REGISTRY:
        err = "Can't get namespace {} (not in registry)".format(namespace)
        raise RegistryError(err)
    return REGISTRY[namespace]

def create(*namespace: str, entry_points: bool = False) -> "Registry":
    """Create a new registry.

    *namespace (str): The namespace, e.g. "spacy" or "spacy", "architectures".
    entry_points (bool): Accept registered functions from entry points.
    RETURNS (Registry): The Registry object.
    """
    if check_exists(*namespace):
        raise RegistryError("Namespace already exists: {}".format(namespace))
    return Registry(namespace, entry_points=entry_points)

def get(self, name: str) -> Any:
        """Get the registered function for a given name.

        name (str): The name.
        RETURNS (Any): The registered function.
        """
        if self.entry_points:
            from_entry_point = self.get_entry_point(name)
            if from_entry_point:
                return from_entry_point
        namespace = list(self.namespace) + [name]
        if not check_exists(*namespace):
            err = "Cant't find '{}' in registry {}. Available names: {}"
            current_namespace = " -> ".join(self.namespace)
            available = ", ".join(sorted(self.get_all().keys())) or "none"
            raise RegistryError(err.format(name, current_namespace, available))
        return _get(namespace)

def _remove(namespace: Sequence[str]) -> Any:
    """Remove a value for a given namespace.

    namespace (Sequence[str]): The namespace.
    RETURNS (Any): The removed value.
    """
    global REGISTRY
    namespace = tuple(namespace)
    if namespace not in REGISTRY:
        err = "Can't get namespace {} (not in registry)".format(namespace)
        raise RegistryError(err)
    removed = REGISTRY[namespace]
    del REGISTRY[namespace]
    return removed