docs: def replace_traceback_format_tb():
      """
      Replaces these functions from the traceback module by our own:
  
      - traceback.format_tb
      - traceback.StackSummary.format
      - traceback.StackSummary.extract
  
      Note that this kind of monkey patching might not be safe under all circumstances
      and is not officially supported by Python.
      """
      import traceback
      traceback.format_tb = format_tb
      if hasattr(traceback, "StackSummary"):
          traceback.StackSummary.format = format_tb
          traceback.StackSummary.extract = _StackSummary_extract