code: def api_retrieve(self, api_key=None):
  		
  		api_key = api_key or self.default_api_key
  
  		return self.stripe_class.retrieve(
  			id=self.id, api_key=api_key, expand=self.expand_fields
  		)
docs: Call the stripe API's retrieve operation for this model.
  
  		:param api_key: The api key to use for this request. Defaults to settings.STRIPE_SECRET_KEY.
  		:type api_key: string