old_contents: """Admin functionality for group app"""
  from django.contrib import admin
  
  from open_connect.groups.models import Category
  
  
  class CategoryAdmin(admin.ModelAdmin):
      """Admin for Group Categories"""
      readonly_fields = [
          'modified_at', 'created_at'
      ]
  
  
  admin.site.register(Category, CategoryAdmin)
  
new_contents: """Admin functionality for group app"""
  from django.contrib import admin
  from django.contrib.auth.models import Group as AuthGroup
  
  from open_connect.groups.models import Category
  
  
  class CategoryAdmin(admin.ModelAdmin):
      """Admin for Group Categories"""
      readonly_fields = [
          'modified_at', 'created_at'
      ]
  
  
  admin.site.register(Category, CategoryAdmin)
  
  
  # Remove AuthGroup from the admin to prevent admins from being able to assign
  # permissions to groups or otherwise edit groups in the admin.
  admin.site.unregister(AuthGroup)
  
subject: Remove django group from the django admin