def is_ints(ints):
    """Check the basic integer sequence things.

    These basic checks are a little tedious and verbose, so we've chosen to
    focus these checks here.
    """
    try:
        # A single integer would not be seen as an integer sequence.
        if len(ints) < 2:
            return False
        # Note that a boolean is also a instance of `int`.
        if not all(isinstance(obj, int) for obj in ints):
            return False
    except (TypeError, ValueError):
        return False