[PATCH v3 1/4] usertools/cpu_layout: update coding style

[Robin Jarry]

Anatoly Burakov, Aug 20, 2024 at 17:35:
> Update coding style:
>
> - make it PEP-484 compliant
> - address all flake8, mypy etc. warnings
> - use f-strings in place of old-style string interpolation
> - refactor printing to make the code more readable
> - read valid CPU ID's from "online" sysfs node
>
> Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
> ---
>
> Notes:
>     v1,v2 -> v3:
>     - Import typing as T instead of individual types

Looks good to me. Same remark than dpdk-hugepages.py: could you format 
it using black or ruff?

Thanks!