Changelog
=========
* Run PBR integration on Ubuntu Focal too
* Remove numpy dependencies
* Tie recursion calls to Dist object, not module
* Update tox.ini to work with tox 4
(From OE-Core rev: bcea96e95cb483710647fe9b604d320aca470ad5)
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
