Anna Vracheva

Please fix it in BaseDocumentForm in **init**: self.instance = opts.document There need self.instance = opts.document()

3.15 regression: Serializer validation failed for unique together constraint

5

The new 3.15.0 release introduced a bug with validation unique constraint. Code to reproduce an error: ``` from django.db import models from rest_framework import serializers class Pet(models.Model): name = models.CharField(max_length=100)...