Fandjango的神秘问题

from django.http import HttpResponse
from django.shortcuts import render
from fandjango.decorators import facebook_authorization_required

@facebook_authorization_required()
def home(request):
    return render(request, \'home.html\', {\'facebook_user\': request.facebook.user})

{% if facebook_user.first_name %}
You are:<br>

{{ facebook_user.first_name }} {{ facebook_user.last_name }}.
<br>ID: {{ facebook_user.facebook_id }}
<br>YOUR URL: {{ facebook_user.profile_url }}
<br><img src=\"http://graph.facebook.com/{{ facebook_user.facebook_id }}/picture?type=large\">

{% else %}There\'s a problem here.{% endif %}