old_contents: 
  from django import forms
  
  from django.contrib import admin
  
  from pycon.mentorship.models import (
      MentorshipAvailability,
      MentorshipMentee,
      MentorshipMentor,
      MentorshipSession,
      MentorshipSlot,
  )
  
  class MentorshipSlotAdmin(admin.ModelAdmin):
      list_display = ['time']
  
  class MentorshipMentorAdmin(admin.ModelAdmin):
      list_display = ['user']
  
  class MentorshipMenteeAdmin(admin.ModelAdmin):
      list_display = ['user']
  
  class MentorshipAvailabilityAdmin(admin.ModelAdmin):
      list_display = ['mentor', 'slot_time', 'viable']
  
  class MentorshipSessionAdmin(admin.ModelAdmin):
      list_filter = ['finalized']
      list_display = ['__unicode__', 'slot_time', 'finalized', 'mentors_count', 'mentees_count']
      filter_horizontal = ('mentors', 'mentees',)
  
  admin.site.register(MentorshipSlot, MentorshipSlotAdmin)
  admin.site.register(MentorshipMentor, MentorshipMentorAdmin)
  admin.site.register(MentorshipMentee, MentorshipMenteeAdmin)
  admin.site.register(MentorshipAvailability, MentorshipAvailabilityAdmin)
  admin.site.register(MentorshipSession, MentorshipSessionAdmin)
  
new_contents: 
  from django import forms
  
  from django.contrib import admin
  
  from pycon.mentorship.models import (
      MentorshipAvailability,
      MentorshipMentee,
      MentorshipMentor,
      MentorshipSession,
      MentorshipSlot,
  )
  
  class MentorshipSlotAdmin(admin.ModelAdmin):
      list_display = ['time']
  
  class MentorshipMentorAdmin(admin.ModelAdmin):
      list_display = ['user']
  
  class MentorshipMenteeAdmin(admin.ModelAdmin):
      list_display = ['user', 'responded']
      list_filter = ['responded']
  
  class MentorshipAvailabilityAdmin(admin.ModelAdmin):
      list_display = ['mentor', 'slot_time', 'viable']
  
  class MentorshipSessionAdmin(admin.ModelAdmin):
      list_filter = ['finalized']
      list_display = ['__unicode__', 'slot_time', 'finalized', 'mentors_count', 'mentees_count']
      filter_horizontal = ('mentors', 'mentees',)
  
  admin.site.register(MentorshipSlot, MentorshipSlotAdmin)
  admin.site.register(MentorshipMentor, MentorshipMentorAdmin)
  admin.site.register(MentorshipMentee, MentorshipMenteeAdmin)
  admin.site.register(MentorshipAvailability, MentorshipAvailabilityAdmin)
  admin.site.register(MentorshipSession, MentorshipSessionAdmin)
  
subject: add response status to mentee admin view