RuntimeError: dictionary changed size during iteration

[Roman Suzi]

I think, the behaviour below is misfeature:

>>> [e for e in vars()]
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
RuntimeError: dictionary changed size during iteration
>>> e = None
>>> [e for e in vars()]
['e', '__builtins__', 'rlcompleter', '__file__', '_[1]', 'atexit', '__name__',
'readline', '__doc__']


Sincerely yours, Roman Suzi
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