old_contents: from django.contrib import admin
  from django.contrib.admin import register
  from . import models
  
  @register(models.FalmerUser)
  class FalmerUserModelAdmin(admin.ModelAdmin):
      list_display = ('name_or_email', 'identifier', 'authority')
      list_filter = ('authority', )
      search_fields = ('name', 'identifier')
  
  
new_contents: from django.contrib import admin
  from django.contrib.auth.admin import UserAdmin
  
  # @register(models.FalmerUser)
  # class FalmerUserModelAdmin(admin.ModelAdmin):
  #     list_display = ('name_or_email', 'identifier', 'authority')
  #     list_filter = ('authority', )
  #     search_fields = ('name', 'identifier')
  from falmer.auth import models
  
  
  class FalmerUserAdmin(UserAdmin):
      ordering = ('name', 'identifier')
      list_display = ('name_or_email', 'identifier', 'authority')
  
      fieldsets = (
          (None, {'fields': ('identifier', 'authority')}),
          ('Personal info', {'fields': ('name',)}),
          ('Permissions', {            'fields': ('is_active', 'is_staff', 'is_superuser', 'groups', 'user_permissions'),
                                       })
      )
  
  
  admin.site.register(models.FalmerUser, FalmerUserAdmin)
  
subject: Replace FalmerUserAdmin with extention of base