traceback.py contains f-string-related syntax error

[mpderbec]

Bug report

Bug description:

See

cpython/Lib/traceback.py

Lines 1081 to 1085 in 487e91c

	try:
	self.__notes__ = getattr(exc_value, '__notes__', None)
	except Exception as e:
	self.__notes__ = [
	f'Ignored error getting __notes__: {_safe_string(e, '__notes__', repr)}']

        try:
            self.__notes__ = getattr(exc_value, '__notes__', None)
        except Exception as e:
            self.__notes__ = [
                f'Ignored error getting __notes__: {_safe_string(e, '__notes__', repr)}']

The f-string on the last line contains single-quotes within the {_safe_string(e, '__notes__', repr)} expression.

I noticed this in 3.13.9, but it is the same in 3.14.2.

I confirmed that in 3.11.9, it is correct:

f'Ignored error getting __notes__: {_safe_string(e, "__notes__", repr)}'

I'm not exactly sure why this isn't causing problems everywhere.

CPython versions tested on:

3.13, 3.14

Operating systems tested on:

Windows

[zware]

That's not a syntax error in 3.12+ :)

$ python3.12
Python 3.12.12 (main, Oct 10 2025, 00:00:00) [GCC 15.2.1 20250924 (Red Hat 15.2.1-2)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> f'test {'testing'}'
'test testing'
>>> 

[mpderbec]

Uggggh. Somehow my IDE was using 3.11 and looking at the 3.13 file.

Sorry for the noise.