code: def __str__(self):
      return "ChannelValue(x={},y={},ts={})".format(
          self.x, self.y, self.ts
      )
  
imports: import time
  from collections import namedtuple
  from enum import Enum
  from typing import List
  from neptune.legacy.exceptions import NeptuneException
label_desc: Use image node_id 7 for calling the ChannelValue obj's underlying member method code with example usage: obj.__str__() and returns: str