def METHOD_NAME(enum_type: Type[Enum]) -> Sequence[str]:
    """Create choice strings.
    Args:
        enum_type: enum
    Returns:
        a collection of strings describing the choices in enum.
    """
    # mypy wants type annotation for v.
    return [f"{i}: {v.name}" for (i, v) in enumerate(enum_type)]  # type: ignore[var-annotated]