new_contents: # Lazy objects, for the serializer to find them we put them here
  
  class LazyDriver(object):
      _driver = None
      
      def get(self):
          if self._driver is None:
              from selenium import webdriver
              self._driver = webdriver.Firefox()
          return self._driver
  
  
  class LazyPool(object):
      _pool = None
      
      @classmethod
      def get(cls):
          if cls._pool is None:
              import urllib3
              cls._pool = urllib3.PoolManager()
          return cls._pool
  
subject: Move the lazy classes out for the serializer to be able to find them