code: def get_annotations(self, atype=None, label=None):
          
          return self.client.get_item_annotations(self.url(), atype, label)
docs: Retrieve the annotations for this item from the server
  
          :type atype: String
          :param atype: return only results with a matching Type field
          :type label: String
          :param label: return only results with a matching Label field
  
          :rtype: String
          :returns: the annotations as a JSON string
  
          :raises: APIError if the API request is not successful