old_contents: from django.contrib import admin
  from .models import Tviit
  
  admin.site.register(Tviit)
new_contents: from django.contrib import admin
  from .models import Tviit
  
  class TviitAdmin(admin.ModelAdmin):
      readonly_fields=('uuid',)
  
  admin.site.register(Tviit, TviitAdmin)
subject: Add uuid to be readable in Admin-panel