/Python/Django/AttributeError: This QueryDict instance is immutable django

AttributeError: This QueryDict instance is immutable django

#views.py
from rest_framework import generics


class Login(generics.CreateAPIView):
    serializer_class = MySerializerClass
    def create(self, request, *args, **kwargs):
        request.data._mutable = True
        request.data['username'] = "example@mail.com"
        request.data._mutable = False

#serializes.py
from rest_framework import serializers


class MySerializerClass(serializers.Serializer):
    username = serializers.CharField(required=False)
    password = serializers.CharField(required=False)
    class Meta:
        fields = ('username', 'password')

Source: stackoverflow.com

Similar codes

17 votes325 views6 answers
Django model
Python Django
0 vote324 views1 answer
How to config django templates with pathlib
Python Django
10 votes311 views1 answer
Django new static files directory
Python Django
0 vote293 views2 answers
Django query string route
Python Django
1 vote276 views1 answer
Django print settings
Python Django
1 vote318 views1 answer
Django filter by date range
Python Django
3 votes346 views3 answers
Django.db.utils.OperationalError: no such table:
Python Django
0 vote412 views2 answers
Blog in django
Python Django
0 vote314 views1 answer
Django serializer exclude fields
Python Django
1 vote335 views1 answer
Django migrate fake zero
Python Django