old_contents: from ratelimitbackend import admin
  
  from .models import CourseStructure
  
  admin.site.register(CourseStructure)
  
new_contents: import json
  
  from ratelimitbackend import admin
  
  from .models import CourseStructure
  
  class CourseStructureAdmin(admin.ModelAdmin):
      search_fields = ('course_id', 'version')
      list_display = (
          'id', 'course_id', 'version', 'created'
      )
      list_display_links = ('id', 'course_id')
  
  admin.site.register(CourseStructure, CourseStructureAdmin)
  
subject: Make the Course Structure admin slightly more usable (list/search fields)