code: def following(request, user_id, flag):
      
      instance = get_object_or_404(USER_MODEL, pk=user_id)
      flag = flag or ''
      return render(
          request,
          'actstream/following.html',
          {
              'following': models.following(instance, flag=flag),
              'user': instance,
          }
      )
docs: Returns a list of actors that the user identified by ``user_id``
      is following (eg who im following).