The unique() method must be invoked on this Result, as it contains results that include joined eager loads against collections

Raise code

(filtered=filtered, is_single_entity=single_entity)
    )

    # multi_row_eager_loaders OTOH is specific to joinedload.
    if context.compile_state.multi_row_eager_loaders:

        def require_unique(obj):
            raise sa_exc.InvalidRequestError(
                "The unique() method must be invoked on this Result, "
                "as it contains results that include joined eager loads "
                "against collections"
            )

        result._unique_filter_state = (None, require_unique)

    if conte