Error in configparser

[snippsat]

If you do it like this you are adding new_var as attribute to the dictionary.
Then you should use that attribute . access,and not ['someting'] call.

>>> config["Section"].new_var = "surname"
>>> config['Section'].new_var
'surname'

# Now dos this not work
>>> config['Section']['new_var']
Traceback (most recent call last):
  File "<interactive input>", line 1, in <module>
  File "C:\python37\lib\configparser.py", line 1251, in __getitem__
    raise KeyError(key)
KeyError: 'new_var'

Can make both work but should not do this at all,just choice one method.

>>> config['Section']['new_var'] = 'surename'

# Now both work
>>> config['Section'].new_var
'surname'
>>> config['Section']['new_var']
'surename'

The problem now is that they are separate,changing one dos not affect the other.

>>> config['Section']['new_var'] = 'foo'
>>> config['Section']['new_var']
'foo'
>>> config['Section'].new_var
'surname'