old_contents: from django.contrib import admin
  
  # This app
  from astrobin_apps_iotd.models import *
  
  
  class IotdSubmissionAdmin(admin.ModelAdmin):
      fields = ('submitter', 'image', 'date')
      list_display = ('submitter', 'image', 'date')
      list_filter = ('date', 'submitter')
  admin.site.register(IotdSubmission, IotdSubmissionAdmin)
  
  
  class IotdVoteAdmin(admin.ModelAdmin):
      fields = ('reviewer', 'image', 'date')
      list_display = ('reviewer', 'image', 'date')
      list_filter = ('date', 'reviewer',)
  admin.site.register(IotdVote, IotdVoteAdmin)
  
  
  class IotdAdmin(admin.ModelAdmin):
      fields = ('judge', 'image', 'date', 'created')
      list_display = ('judge', 'image', 'date', 'created')
      list_filter = ('judge',)
  admin.site.register(Iotd, IotdAdmin)
  
new_contents: from django.contrib import admin
  
  # This app
  from astrobin_apps_iotd.models import *
  
  
  class IotdSubmissionAdmin(admin.ModelAdmin):
      fields = ('submitter', 'image', 'date')
      list_display = ('submitter', 'image', 'date')
      list_filter = ('date', 'submitter')
  admin.site.register(IotdSubmission, IotdSubmissionAdmin)
  
  
  class IotdVoteAdmin(admin.ModelAdmin):
      fields = ('reviewer', 'image', 'date')
      list_display = ('reviewer', 'image', 'date')
      list_filter = ('date', 'reviewer',)
  admin.site.register(IotdVote, IotdVoteAdmin)
  
  
  class IotdAdmin(admin.ModelAdmin):
      fields = ('date',)
      list_display = ('pk', 'judge', 'image', 'date', 'created')
      list_filter = ('judge',)
  admin.site.register(Iotd, IotdAdmin)
  
subject: Fix fields of IotdAdmin