code: def open_tensorboard(log_dir='/tmp/tensorflow', port=6006):
      
      text = "[TL] Open tensorboard, go to localhost:" + str(port) + " to access"
      text2 = " not yet supported by this function (tl.ops.open_tb)"
  
      if not tl.files.exists_or_mkdir(log_dir, verbose=False):
          tl.logging.info("[TL] Log reportory was created at %s" % log_dir)
  
      if _platform == "linux" or _platform == "linux2":
          raise NotImplementedError()
      elif _platform == "darwin":
          tl.logging.info('OS X: %s' % text)
          subprocess.Popen(
              sys.prefix + " | python -m tensorflow.tensorboard --logdir=" + log_dir + " --port=" + str(port), shell=True
          )  # open tensorboard in localhost:6006/ or whatever port you chose
      elif _platform == "win32":
          raise NotImplementedError("this function is not supported on the Windows platform")
      else:
          tl.logging.info(_platform + text2)
docs: Open Tensorboard.
  
      Parameters
      ----------
      log_dir : str
          Directory where your tensorboard logs are saved
      port : int
          TensorBoard port you want to open, 6006 is tensorboard default