Return a list of chunks
    :param items: List
    :param size: int The number of items per chunk
    :return: List

def chunk_list(items, size):
    """
    Return a list of chunks
    :param items: List
    :param size: int The number of items per chunk
    :return: List
    """
    size = max(1, size)
    return [items[i:i + size] for i in range(0, len(items), size)]