[Python-Dev] Policy on refactoring/clean up

[Jeroen Demeyer]

On 2018-06-27 00:02, Guido van Rossum wrote:
> And TBH a desire to refactor a lot of code is often a sign of a
> relatively new contributor who hasn't learned their way around the code
> yet, so they tend to want to make the code follow their understanding
> rather than letting their understanding follow the code.

...or it could be that the code is written the way it is only for 
historical reasons, instead of being purposely written that way.