File "/home/Desktop/booklib/env/lib/python3.8/site-packages/rest_framework/authentication.py", line 126, in authenticate self.enforce_csrf(request) File "/home/Desktop/booklib/env/lib/python3.8/site-packages/rest_framework/authentication.py", line 135, in enforce_csrf check = CSRFCheck() TypeError: __init__() missing 1 required positional argument: 'get_response' [21/Dec/2021 14:37:05] "GET /api/ HTTP/1.1" 500 112898 

api/serializers.py

 from book.models import Book class BookSerializer(serializers.ModelSerializer): class Meta: model = Book fields = ('title', 'author','summary', 'isbn')``` ** Create your views here :api/views.py** ```from django.shortcuts import render from rest_framework import generics from book.models import Book from .serializers import BookSerializer class BookAPIView(generics.ListAPIView): queryset = Book.objects.all() serializer_class = BookSerializer``` **# api/urls.py** ```from django.urls import path from .views import BookAPIView urlpatterns = [ path('', BookAPIView.as_view()) ]```