def fanc(request):
    non, created = Order.objects.get_or_create(user=request.user) # no attribute user
    data = json.loads(request.body) # no attribute body
     . . .
    return HttpResponse(status=200)
fanc(request)

 def fanc(req):
    data = json.loads(req.body)
    return HttpResponse(status=200)
fanc(req)

 def fanc(req): # функция, которая принимает данные платежа от платежной системы
    data = json.loads(req.body)
    print(data)
    notification_object = WebhookNotificationFactory().create(event_json)
    response_object = notification_object.object
    # request.session['status'] = "succeed"
    if notification_object.event == WebhookNotificationEventType.PAYMENT_SUCCEEDED:
        some_data = {
            'paymentId': response_object.id,
            'paymentStatus': response_object.status,
        }
    return HttpResponse(status=200)
fanc(req) # строка, вызывающая ошибки