old_contents: from django.contrib import admin
  
  from models import LocationType
  from models import Phone
  from models import Address
  from models import Email
  from models import Person
  from models import Company
  from models import WebSite
  from models import Group
  from models import CustomData
  from models import IdentityData
  
  admin.site.register(LocationType)
  admin.site.register(Phone)
  admin.site.register(Address)
  admin.site.register(Email)
  admin.site.register(WebSite)
  admin.site.register(Group)
  admin.site.register(CustomData)
  admin.site.register(IdentityData)
  
  admin.site.register(Person)
  admin.site.register(Company)
  
new_contents: from django.contrib import admin
  
  from .models import LocationType
  from .models import Phone
  from .models import Address
  from .models import Email
  from .models import Person
  from .models import Company
  from .models import WebSite
  from .models import Group
  from .models import CustomData
  from .models import IdentityData
  
  admin.site.register(LocationType)
  admin.site.register(Phone)
  admin.site.register(Address)
  admin.site.register(Email)
  admin.site.register(WebSite)
  admin.site.register(Group)
  admin.site.register(CustomData)
  admin.site.register(IdentityData)
  
  admin.site.register(Person)
  admin.site.register(Company)
  
subject: Use relative imports.