code: def _pin_requirements(src_file, dst_file):
      with _LogWrapper(
          "Pinning {0} into {1}".format(src_file, dst_file)
      ):
          _logger.debug("Reading file %s", src_file)
          text_lines = []
          with open(src_file, "r") as f:
              text_lines = f.readlines()
  
          result_lines = [
              _process_line(current_line) for current_line in text_lines
          ]
  
          _logger.debug("Writing file %s", dst_file)
          with open(dst_file, "w") as f:
              f.writelines(result_lines)
  
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 3 for calling a global function with example usage: _pin_requirements(src_file, dst_file) without return types