code: def __getitem__(self, key):
      return self.entry[key]
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import json
  import platform
  import sys
  from datetime import datetime
  import psutil
  from ..gpu import pynvml
label_desc: Use image node_id 3 for calling the GPUStat obj's underlying member method code with example usage: obj.__getitem__(key) and returns: self