old_contents: from django.contrib import admin
  
  from models import Job
  
  admin.site.register(Job)
  
new_contents: from django.contrib import admin
  
  from models import Job
  
  
  class JobAdmin(admin.ModelAdmin):
      list_display = ("owner", "jobname", "jobnumber", "slots", "ru_maxrss", "ru_wallclock", "exit_status")
      list_filter = ("owner", "slots", "exit_status")
  
  admin.site.register(Job, JobAdmin)
  
subject: make the admin interface more useful.