new_contents: # -*- coding: utf-8 -*-
  from django.conf import settings
  import easypost
  easypost.api_key = settings.EASYPOST_SECRET_KEY
  
  # TODO model for Address
  
  # TODO model for Parcel
  
  # TODO model for Shipment
  
  # TODO model for PostageLabel
  
subject: add TODOs for models