old_contents: from reservations import Reservations
  from properties import Properties
  from api_requester import ApiRequester
  
  API_ROOT = 'http://partners.checkmate.dev:3000'
  
  
  class CheckMate:
      def __init__(self, api_key=None, api_base=API_ROOT):
          client = ApiRequester(api_key, api_base)
          self.reservations = Reservations(client)
          self.properties = Properties(client)
  
new_contents: from reservations import Reservations
  from properties import Properties
  from api_requester import ApiRequester
  
  API_ROOT = 'https://partners.checkmate.io'
  
  
  class CheckMate:
      def __init__(self, api_key=None, api_base=API_ROOT):
          client = ApiRequester(api_key, api_base)
          self.reservations = Reservations(client)
          self.properties = Properties(client)
  
subject: change default root url