def _attach_objects_post_save_hook(
        self,
        cls,
        data,
        api_key=djstripe_settings.STRIPE_SECRET_KEY,
        pending_relations=None,
    ):
        """
        Iterate over reversals on the Transfer object to create and/or sync
        TransferReversal objects
        """

        super()._attach_objects_post_save_hook(
            cls, data, api_key=api_key, pending_relations=pending_relations
        )

        # Transfer Reversals exist as a list on the Transfer Object
        for reversals_data in data.get("reversals").auto_paging_iter():
            TransferReversal.sync_from_stripe_data(reversals_data, api_key=api_key)

        Iterate over reversals on the Transfer object to create and/or sync
        TransferReversal objects
        
djstripe/models/connect.py