code: def pong(self, message=None):
          '''Write a pong ``frame``.
          '''
          return self.write(self.parser.pong(message), encode=Falsef pong(self, message=None):
          '''Write a pong ``frame``.
          '''
          return self.write(self.parser.pong(message), encode=False)
docs: Write a pong ``frame``.