Method _compile_error_message

Lib/pdb.py:2595–2601

Return the error message as string if compiling `expr` fails.

(self, expr)

        return traceback.format_exception_only(exc)[-1].strip()

    def _compile_error_message(self, expr):
        """Return the error message as string if compiling `expr` fails."""
        try:
            compile(expr, "<stdin>", "eval")
        except SyntaxError as exc:
            return _rstr(self._format_exc(exc))
        return ""

    def _getsourcelines(self, obj):
        # GH-103319