old_contents: from django.contrib import admin
  from polls.models import Choice, Question
  
  class ChoiceInline(admin.StackedInline):
      model = Choice
      extra = 3
  
  class QuestionAdmin(admin.ModelAdmin):
      fieldsets = [
          (None,               {'fields': ['question_text']}),
          ('Date information', {'fields': ['pub_date'], 'classes': ['collapse']}),
      ]
      inlines = [ChoiceInline]
  
  admin.site.register(Question, QuestionAdmin)
new_contents: from django.contrib import admin
  from polls.models import Choice, Question
  
  class ChoiceInline(admin.TabularInline):
      model = Choice
      extra = 3
  
  class QuestionAdmin(admin.ModelAdmin):
      fieldsets = [
          (None,               {'fields': ['question_text']}),
          ('Date information', {'fields': ['pub_date'], 'classes': ['collapse']}),
      ]
      inlines = [ChoiceInline]
  
  admin.site.register(Question, QuestionAdmin)
subject: edit admin.py tabularline