code: def start() -> None:
      def info(type, value, tb):
          if hasattr(sys, "ps1") or not sys.stderr.isatty():
              # we are in interactive mode or we don't have a tty-like
              # device, so we call the default hook
              sys.__excepthook__(type, value, tb)
          else:
              import pdb
              import traceback
  
              # we are NOT in interactive mode, print the exception...
              traceback.print_exception(type, value, tb)
              print
              # ...then start the debugger in post-mortem mode.
              # pdb.pm() # deprecated
              pdb.post_mortem(tb)  # more "modern"
  
      sys.excepthook = info
  
label_desc: Use image node_id 1 for calling a global function with example usage: start() without return types