code: def run_command(self, line):
      self.issue_command(line)
      return self.wait_until_ready()
  
imports: from functools import lru_cache
  import os
  import re
  import shutil
  import subprocess
  import sys
  import pytest
  import pyarrow
label_desc: Use image node_id 4 for calling the GdbSession obj's underlying member method code with example usage: obj.run_command(line) and returns: self