network_inventory/inventory/views.py

#!/usr/bin/python3
from django.shortcuts import get_object_or_404, render


def index(request):
    device_list = Device.objects.all()
    computer_list = Computer.objects.all()

    return render(request,
                  'inventory/index.html',
                  {'device_list': category_list,
                   'computer_list': computer_list})