def __init__(self, attr_type=None, attr=None, required=True, curie=None):
"""LinkList constructor.
:param attr_type: Type, Schema or constant that does item type conversion of the attribute.
:param attr: Attribute name, dot-separated attribute path or an `Accessor` instance.
:param required: Is this list of links required to be present.
:param curie: Link namespace prefix (e.g. "<prefix>:<name>") or Curie object.
"""
super(LinkList, self).__init__(attr_type=attr_type, attr=attr, required=required, curie=curie)
self.attr_type = types.List(self.attr_type)
def test_list():
"""Test list."""
type_ = types.List()
value = [object(), object()]
assert value == type_.serialize(value)
assert value == type_.deserialize(value)