Irit Katriel added the comment:
Hans, as mentioned on the PR, the merit of this change needs to be discussed.
If you would like to pursue this, please begin by explaining the use case.
If you lost interest in this problem, let's close this issue.
--
nosy: +iritkatriel
status: open ->
New submission from Hans Strijker :
Method ```configparser.RawConfigParser.set()``` has optional parameter *value*
with default value ```None``` resulting in the behavior that actually trying to
set a config parameter to ```None``` will not be propagated to
```Interpolation.before_set()```. I
