code: def name(self):
      return "openmpi"
  
imports: import os
  import sys
  import shutil
  import subprocess
  import warnings
  from shlex import split
  from abc import ABC, abstractmethod
  from ..utils import logger
  from .constants import PDSH_MAX_FAN_OUT, MVAPICH_TMP_HOSTFILE
label_desc: Use image node_id 3 for calling the OpenMPIRunner obj's underlying member method code with example usage: obj.name() and returns: str