Raising a list of ValidationErrors loses by detail by omitting the code of each individual ValidationError

[PureTryOut]

I have a serializer that validates multiple fields together which means they are validated in a generic validate() function.

See this example:

from rest_framework import serializers
from rest_framework.exceptions import ValidationError

class SomeSerializer(serializers.Serializer):
    def validate(self, attrs):
        error1 = ValidationError("Mistake number 1", code="mistake1")
        error2 = ValidationError("Mistake number 2", code="mistake2")
        raise ValidationError([error1, error2])

I would assume that when checking the errors after validating (serializer.errors["non_field_errors"]) these include the custom codes I passed along, but they don't. Instead these are reset to the default invalid, but that makes it hard to test that the right errors are returned.