old_contents: from django.contrib import admin
  
  from django.core.urlresolvers import reverse
  from django.forms import ModelForm
  
  from .models import LoggedAction, PartySet
  # Register your models here.
  
  class LoggedActionAdminForm(ModelForm):
      pass
  
  class LoggedActionAdmin(admin.ModelAdmin):
      form = LoggedActionAdminForm
      search_fields = ('user__username', 'popit_person_new_version',
                       'person', 'ip_address', 'source')
      list_filter = ('action_type',)
      list_display = ['user', 'ip_address', 'action_type',
                      'popit_person_new_version', 'person_link',
                      'created', 'updated', 'source']
      ordering = ('-created',)
  
      def person_link(self, o):
          if not o.person:
              return ''
          url = reverse('person-view', kwargs={'person_id': o.person.id})
          return '<a href="{0}">{1}</a>'.format(
              url,
              o.person.name,
          )
      person_link.allow_tags = True
  
  class PartySetAdminForm(ModelForm):
      pass
  
  class PartySetAdmin(admin.ModelAdmin):
      form = PartySetAdminForm
  
  admin.site.register(LoggedAction, LoggedActionAdmin)
  admin.site.register(PartySet, PartySetAdmin)
  
new_contents: from django.contrib import admin
  
  from django.core.urlresolvers import reverse
  from django.forms import ModelForm
  
  from .models import LoggedAction, PartySet
  # Register your models here.
  
  
  class LoggedActionAdminForm(ModelForm):
      pass
  
  
  class LoggedActionAdmin(admin.ModelAdmin):
      form = LoggedActionAdminForm
      search_fields = ('user__username', 'popit_person_new_version',
                       'person', 'ip_address', 'source')
      list_filter = ('action_type',)
      list_display = ['user', 'ip_address', 'action_type',
                      'popit_person_new_version', 'person_link',
                      'created', 'updated', 'source']
      ordering = ('-created',)
  
      def person_link(self, o):
          if not o.person:
              return ''
          url = reverse('person-view', kwargs={'person_id': o.person.id})
          return '<a href="{0}">{1}</a>'.format(
              url,
              o.person.name,
          )
      person_link.allow_tags = True
  
  
  class PartySetAdminForm(ModelForm):
      pass
  
  
  class PartySetAdmin(admin.ModelAdmin):
      form = PartySetAdminForm
  
  
  admin.site.register(LoggedAction, LoggedActionAdmin)
  admin.site.register(PartySet, PartySetAdmin)
  
subject: Use PEP8 class spacing in candidates/admin.py