code: def __repr__(self):
      s = "GPUStatCollection(host=%s, [\n" % self.hostname
      s += "\n".join("  " + str(g) for g in self.gpus)
      s += "\n])"
      return s
  
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 7 for calling the GPUStatCollection obj's underlying member method code with example usage: obj.__repr__() and returns: s