text: from django.contrib import admin
  from django.contrib.auth.admin import User
  from server.models.collective import Collective, Session
  from server.models.qualification import Qualification, QualificationGroup
  from server.models.instruction import Instruction, Topic
  from server.models.category import Category, CategoryGroup
  from server.models.tour import Tour
  from server.models.equipment import Equipment
  from server.models.calendar import Calendar, Anniversary, Vacation
  from server.user_admin import UserAdmin
  from server.event_admin import InstructionAdmin, TourAdmin
  
  # Register your models here.
  
  # Auth.User
  admin.site.unregister(User)
  admin.site.register(User, UserAdmin)
  
  # Calendar
  admin.site.register(Calendar)
  admin.site.register(Anniversary)
  admin.site.register(Vacation)
  
  # Collective
  admin.site.register(Collective)
  admin.site.register(Session)
  
  # Qualifications
  admin.site.register(Qualification)
  admin.site.register(QualificationGroup)
  
  # Mixins
  admin.site.register(Category)
  admin.site.register(CategoryGroup)
  admin.site.register(Tour, TourAdmin)
  admin.site.register(Equipment)
  
  # Instructions
  admin.site.register(Instruction, InstructionAdmin)
  admin.site.register(Topic)
  