site.py

from django.shortcuts import render, redirect, get_object_or_404
from django.http import HttpResponse
from django.db import models

def index(request, context=None):
    if context == None:
        return render(request, "core/index.jinja", {'title': 'Bienvenue!'})
    else:
        return render(request, "core/index.jinja", context)