code: def issue_command(self, line):
      line = line.encode("utf-8") + b"\n"
      if self.verbose:
          sys.stdout.buffer.write(line)
          sys.stdout.buffer.flush()
      self.proc.stdin.write(line)
      self.proc.stdin.flush()
  
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 3 for calling the GdbSession obj's underlying member method code with example usage: obj.issue_command(line) without return types