'Create a new object to add to the cache (which should record
the specified field ``value`` for the field identified by
``kvs_key``).
Arguments:
kvs_key (:class:`DjangoKeyValueStore.Key`): Which field to create an entry for
value: The value to assign to the new field object'

def _create_object(self, kvs_key, value):

    return XModuleUserStateSummaryField(field_name=kvs_key.field_name, usage_id=kvs_key.block_scope_id, value=value)
