def following(request, user_id):
    instance = get_object_or_404(User, pk=user_id)
    return render_to_response('actstream/following.html', {
        'following': models.following(instance), 'user': instance
    }, context_instance=RequestContext(request))
Checks if the file is opened for appending or reading.
dataset/ETHPy150Open justquick/django-activity-stream/actstream/views.py/following--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/files/file_service_stub.py/BlobstoreFile.is_appending