new_contents: import os
  import subprocess
  import sys
  
  
  def _is_pip_installed():
      try:
          import pip  # NOQA
          return True
      except ImportError:
          return False
  
  
  def _is_in_ci():
      ci_name = os.environ.get('CUPY_CI', '')
      return ci_name != ''
  
  
  def pytest_configure(config):
      # Print installed packages
      if _is_in_ci() and _is_pip_installed():
          print("***** Installed packages *****", flush=True)
          subprocess.check_call([sys.executable, '-m', 'pip', 'freeze', '--all'])
  
subject: Print installed packages in pytest