code: def main(argv):
      parser = _build_argument_parser()
      args = parser.parse_args(argv)
  
      if args.loglevel:
          logging.basicConfig(level=getattr(logging, args.loglevel))
  
      _logger.info("Pinned set to: %s", args.pinned)
  
      for rs in _REQUIREMENTS_STEMS:
          _install_requirements_file(rs, args.pinned)
      _logger.info("All requirements files installed")
  
file_path: fairlearn/scripts/install_requirements.py
imports: import argparse
  import logging
  import os
  import subprocess
  import sys
  from _utils import _LogWrapper
label_desc: Use image node_id 5 for calling a global function with example usage: main(argv) without return types