Method do_exception

IPython/core/debugger.py:537–541

exception [number] Alias for the ``exceptions`` command.

(self, arg)

                    self.error("No exception with that number")

        def do_exception(self, arg):
            """exception [number]
            Alias for the ``exceptions`` command.
            """
            return self.do_exceptions(arg)

    def _cmdloop(self):
        # Override to bypass Python 3.15's _maybe_use_pyrepl_as_stdin(), which