[Solved] Why does this DRF view raise an error?class MyView(APIView): permission_classes = [IsAuthenticated()] def get(self, request): return Response({'msg': 'Hi'}) | Django

Django - DRF Advanced Features

Why does this DRF view raise an error?

class MyView(APIView):
    permission_classes = [IsAuthenticated()]
    def get(self, request):
        return Response({'msg': 'Hi'})

AResponse is not imported

BIsAuthenticated cannot be used with APIView

Cget method must return a string, not dict

Dpermission_classes should contain classes, not instances

Step-by-Step Solution

Solution:

Step 1: Check permission_classes content
permission_classes expects a list of classes, not instances (no parentheses).
Step 2: Identify correct usage
Use permission_classes = [IsAuthenticated] without parentheses to avoid errors.
Final Answer:
permission_classes should contain classes, not instances -> Option D
Quick Check:
Use classes, not instances in permission_classes [OK]

Quick Trick: No parentheses when listing permission classes [OK]

Common Mistakes:

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Why does this DRF view raise an error?