old_contents: from django.contrib import admin
  from django.utils.translation import ugettext_lazy as _
  from django.utils import six
  from django.template.loader import render_to_string
  
  from avatar.models import Avatar
  from avatar.signals import avatar_updated
  from avatar.util import get_user_model
  
  
  class AvatarAdmin(admin.ModelAdmin):
      list_display = ('get_avatar', 'user', 'primary', "date_uploaded")
      list_filter = ('primary',)
      search_fields = ('user__%s' % getattr(get_user_model(), 'USERNAME_FIELD', 'username'),)
      list_per_page = 50
  
      def get_avatar(self, avatar_in):
          context = dict({
              'user': avatar_in.user,
              'url': avatar_in.avatar.url,
              'alt': six.text_type(avatar_in.user),
              'size': 80,
          })
          return render_to_string('avatar/avatar_tag.html',context)
  
      get_avatar.short_description = _('Avatar')
      get_avatar.allow_tags = True
  
      def save_model(self, request, obj, form, change):
          super(AvatarAdmin, self).save_model(request, obj, form, change)
          avatar_updated.send(sender=Avatar, user=request.user, avatar=obj)
  
  
  admin.site.register(Avatar, AvatarAdmin)
  
new_contents: from django.contrib import admin
  from django.utils.translation import ugettext_lazy as _
  from django.utils import six
  from django.template.loader import render_to_string
  
  from avatar.models import Avatar
  from avatar.signals import avatar_updated
  from avatar.util import get_user_model
  
  
  class AvatarAdmin(admin.ModelAdmin):
      list_display = ('get_avatar', 'user', 'primary', "date_uploaded")
      list_filter = ('primary',)
      search_fields = ('user__%s' % getattr(get_user_model(), 'USERNAME_FIELD', 'username'),)
      list_per_page = 50
  
      def get_avatar(self, avatar_in):
          context = dict({
              'user': avatar_in.user,
              'url': avatar_in.avatar.url,
              'alt': six.text_type(avatar_in.user),
              'size': 80,
          })
          return render_to_string('avatar/avatar_tag.html', context)
  
      get_avatar.short_description = _('Avatar')
      get_avatar.allow_tags = True
  
      def save_model(self, request, obj, form, change):
          super(AvatarAdmin, self).save_model(request, obj, form, change)
          avatar_updated.send(sender=Avatar, user=request.user, avatar=obj)
  
  
  admin.site.register(Avatar, AvatarAdmin)
  
subject: Update admin.py