old_contents: class FacepyError(Exception):
      """Base class for exceptions raised by Facepy."""
  
      def __init__(self, message):
          self.message = message
  
      def _get_message(self):
          return self._message
  
      def _set_message(self, message):
          self._message = message
  
      message = property(_get_message, _set_message)
  
new_contents: class FacepyError(Exception):
      """Base class for exceptions raised by Facepy."""
  
      def __init__(self, message):
          self.message = message
  
subject: Remove uneccessary getter and setter