code: def __telnet_event_listener(self, ip, callback):
          
  
          tn = telnetlib.Telnet(ip, 2708)
          self._last_event = ""
          self._telnet_running = True
          while self._telnet_running:
              try:
                  raw_string = tn.read_until(b'.\n', 5)
  
                  if len(raw_string) >= 2 and raw_string[-2:] == b'.\n':
                      # lightpad sends ".\n" at the end that we need to chop off
                      json_string = raw_string.decode('ascii')[0:-2]
                      if json_string != self._last_event:
                          callback(json.loads(json_string))
  
                      self._last_event = json_string
  
              except:
                  pass
          tn.close()
docs: creates a telnet connection to the lightpad