code: def _read_raw_gpu_stats(self, stats_cmd):
      p = subprocess.Popen(stats_cmd, stdout=subprocess.PIPE)
      raw_lines = _read_csv_lines(p.stdout)
      result = p.wait()
      if result == 0:
          return raw_lines
      self.log.debug("reading GPU stats (smi output: '%s')", raw_lines)
      return []
  
imports: import csv
  import io
  import subprocess
  import sys
  from guild import util
  from guild.plugins.summary_util import SummaryPlugin
label_desc: Use image node_id 5 for calling the GPUPlugin obj's underlying member method code with example usage: obj._read_raw_gpu_stats(stats_cmd) and returns: list, raw_lines