docstr: Returns the uuid returned by nvidia-smi,
  e.g. GPU-12345678-abcd-abcd-uuid-123456abcdef
docstr_tok: ["Returns","the","uuid","returned","by","nvidia-smi",",","e.g",".","GPU-12345678-abcd-abcd-uuid-123456abcdef"]
code: def uuid(self):
      """
      Returns the uuid returned by nvidia-smi,
      e.g. GPU-12345678-abcd-abcd-uuid-123456abcdef
      """
      return self.entry["uuid"]
  
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 5 for calling the GPUStat obj's underlying member method code with example usage: obj.uuid() and returns: self