Running python_bug.py with pypy 3.11.11 incorrectly returns ['context', 'assignedto']

Running it with cpython 3.10.12 also returns ['context', 'assignedto']

Running it with 3.13.5 returns the correct result: ['context', 'assignedto', 'realname', 'user_realnames']

So sometime between 3.10.12 and 3.13.5 the bug got fixed. No joy for pypy,
but it looks like we can return to using:



for 3.13.5 or greater if we want. Still have the issue that using:

  self._f.__code__.co_names

uses the internal _f attribute and not a documented stable interface but....