old_contents: import sys
  
  def is_pyinstaller() -> bool:
      """
      Detect if we are currently running as a PyInstaller-packaged program.
      :return:    True if we are running as a PyInstaller-packaged program. False if we are running in Python directly
                  (e.g., development mode).
      """
      return getattr(sys, 'frozen', False) and hasattr(sys, '_MEIPASS')
  
new_contents: import sys
  
  def is_pyinstaller() -> bool:
      """
      Detect if we are currently running as a PyInstaller-packaged program.
  
      :return:    True if we are running as a PyInstaller-packaged program. False if we are running in Python directly
                  (e.g., development mode).
      """
      return getattr(sys, 'frozen', False) and hasattr(sys, '_MEIPASS')
  
subject: Fix docstring for is_pyinstaller().