parameters: (self, payload)
docstring: send pong data.
  
          payload: data payload to send server.
docstring_summary: send pong data.
docstring_tokens: send pong data .
function: def pong(self, payload):
          """
          send pong data.
  
          payload: data payload to send server.
          """
          self.send(payload, ABNF.OPCODE_PONG)
function_tokens: def pong ( self , payload ) : self . send ( payload , ABNF . OPCODE_PONG )