old_contents: from django.contrib import admin
  
  # Register your models here.
  
new_contents: from django.contrib import admin
  
  # Register your models here.
  from django.contrib import admin
  from polls.models import Question
  
  class QuestionAdmin(admin.ModelAdmin):
      fieldsets = [
              (None,               {'fields': ['question_text']}),
              ('Date information', {'fields': ['pub_date'], 'classes':['collapse']}),
          ]
  
  admin.site.register(Question, QuestionAdmin)
  
subject: Enable admin for polls.models.Question