Function is_sequence

src/corsheaders/checks.py:168–171

(thing: Any, type_or_types: type[Any] | tuple[type[Any], ...])

def is_sequence(thing: Any, type_or_types: type[Any] | tuple[type[Any], ...]) -> bool:
    return isinstance(thing, Sequence) and all(
        isinstance(x, type_or_types) for x in thing
    )