old_contents: from django.contrib import admin
  
  from .models import SponsoredEvent
  
  
  @admin.register(SponsoredEvent)
  class SponsoredEventAdmin(admin.ModelAdmin):
      fields = [
          'host', 'title', 'category', 'language',
          'abstract', 'python_level', 'detailed_description',
          'recording_policy', 'slide_link',
      ]
      search_fields = ['title', 'abstract']
      list_display = ['title', 'category', 'language', 'python_level']
      list_filter = ['category', 'language', 'python_level']
      prepopulated_fields = {'slug': ['title']}
  
new_contents: from django.contrib import admin
  
  from .models import SponsoredEvent
  
  
  @admin.register(SponsoredEvent)
  class SponsoredEventAdmin(admin.ModelAdmin):
      fields = [
          'host', 'title', 'slug', 'category', 'language',
          'abstract', 'python_level', 'detailed_description',
          'recording_policy', 'slide_link',
      ]
      search_fields = ['title', 'abstract']
      list_display = ['title', 'category', 'language', 'python_level']
      list_filter = ['category', 'language', 'python_level']
      prepopulated_fields = {'slug': ['title']}
  
subject: Add missing slug field in admin