new_contents: from django.contrib import admin
  from django.contrib.auth.models import User
  from django.contrib.auth.admin import UserAdmin
  from accounts.models import UserProfile
  
  admin.site.unregister(User)
  
  class UserProfileInline(admin.StackedInline):
      model = UserProfile
  
  class UserProfileAdmin(UserAdmin):
      inlines = [ UserProfileInline, ]
  
  admin.site.register(User, UserProfileAdmin)
  
subject: Add UserProfiles as an inline on the User admin.