old_contents: 
  import logging
  logger = logging.getLogger(__name__)
  
  from django.conf import settings
  from django.contrib import admin
  
  from voting.models import Bill, Vote, Member, Party
  
  
  class BillAdmin(admin.ModelAdmin):
      model = Bill
      list_display = ('title', 'author', 'type', 'date', 'date')
  
  
  class MemberAdmin(admin.ModelAdmin):
      model = Member
      list_display = ('name', 'party')
  
  
  class PartyAdmin(admin.ModelAdmin):
      model = Party
      list_display = ('name', 'seats')
  
  
  class VoteAdmin(admin.ModelAdmin):
      model = Vote
      list_display = ('bill', 'party', 'decision', 'details')
  
  
  admin.site.register(Bill, BillAdmin)
  admin.site.register(Member, MemberAdmin)
  admin.site.register(Party, PartyAdmin)
  admin.site.register(Vote, VoteAdmin)
  
new_contents: 
  import logging
  logger = logging.getLogger(__name__)
  
  from django.conf import settings
  from django.contrib import admin
  
  from voting.models import Bill, Vote, Member, Party
  
  
  class BillAdmin(admin.ModelAdmin):
      model = Bill
      list_display = ('title', 'author', 'type', 'datetime')
  
  
  class MemberAdmin(admin.ModelAdmin):
      model = Member
      list_display = ('name', 'party')
  
  
  class PartyAdmin(admin.ModelAdmin):
      model = Party
      list_display = ('name', 'seats')
  
  
  class VoteAdmin(admin.ModelAdmin):
      model = Vote
      list_display = ('bill', 'party', 'decision', 'details')
  
  
  admin.site.register(Bill, BillAdmin)
  admin.site.register(Member, MemberAdmin)
  admin.site.register(Party, PartyAdmin)
  admin.site.register(Vote, VoteAdmin)
  
subject: Fix Bill admin list display