Parent instance is inaccesible in child validate data for reverse

[allexpy]

This should be added in the code. To achieve this you can add the instance to self._get_serializer_for_field() context, this was a huge problem for me and it remains unresolved untill you update the package.

[ir4y]

Hi @allexpy thank you for the contribution.
May I kindly ask you to provide a pull request and test case for the reported enhancement?