text: from django.contrib import admin
  from .models import *
  
  # Register your models here.
  admin.site.register(Company)
  admin.site.register(Plane)
  admin.site.register(Flight)
  admin.site.register(TransitLanding)
  admin.site.register(ArrivalDeparture)
  admin.site.register(Worker)
  admin.site.register(Challenger)
  admin.site.register(Crew)
  