New to Python - block grouping (spaces)

[Serhiy Storchaka]

On 16.04.15 08:49, Steven D'Aprano wrote:
> I'm not aware of any pre-processor tools for Python that will syntactically
> check that added braces match the indentation. Such a tool would be
> unPythonic: if they match, the braces are redundant and are not needed, and
> if they do not match, then the compiler (or preprocessor) should not guess
> whether the indentation is right or the braces are right. But if you enforce
> the rule that braces must match indentation, then the braces are redundant!
>
> If you find such a preprocessor, or write your own, feel free to use it. But
> you won't get any respect from experienced Python programmers: we use Python
> in part to get away from braces, we're not chomping at the bit to put them
> back in.

https://hg.python.org/cpython/raw-file/default/Tools/scripts/pindent.py