code: def install_wget(self):
      if os.system("wget --version") != 0 or args.force:
          os.system(f"{self.sudo_cmd}apt-get install -y wget")
  
imports: import argparse
  import os
  import platform
  import sys
  from print_env_info import run_and_parse_first_match
  from ts_scripts.utils import check_python_version
label_desc: Use image node_id 4 for calling the Linux obj's underlying member method code with example usage: obj.install_wget() without return types