def post(self, request, format=None):
        serializer = UserProfileSerializer(data=request.data)
        if serializer.is_valid(raise_exception=True):
            serializer.save()
            return Response(serializer.data, status=status.HTTP_201_CREATED)
        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)

class UserProfileSerializer(serializers.ModelSerializer):

    avatar = Base64ImageField()
    official_docs = Base64ImageField()

    class Meta:
        model = UserProfile
        fields = '__all__'
        extra_kwargs = {'password': {'write_only': True},
                        }


    def create(self, validated_data):
        hashed_password = make_password(validated_data['password'])  # get the hashed password
        user = UserProfile(
            username=validated_data['username'],
            email = validated_data['email'],
            first_name= validated_data['first_name'],
            last_name= validated_data['last_name'],
            phone_number=validated_data['phone_number'],
            avatar=validated_data.pop('avatar'),
            gender=validated_data['gender'],
            city=validated_data['city'],
            description=validated_data['description'],
            date_of_birth=validated_data.pop('date_of_birth'),
            official_docs=validated_data.pop('official_docs'),
            team_name=validated_data['team_name'],
            debit_card_number=validated_data['debit_card_number'],
            favorite_music=validated_data['favorite_music'],
        )
        user.set_password(hashed_password)
        user.save()
        return user

File "views.py" in post
  27.             serializer.save()

File ".virtualenvs/Django/lib/python3.6/site-packages/rest_framework/serializers.py" in save
  214.             self.instance = self.create(validated_data)

File "serializers.py" in create
  36.             date_of_birth=validated_data.pop('date_of_birth'),

Exception Type: KeyError at /users/
Exception Value: 'date_of_birth'