[OE-core] [PATCHv2] dnf: move the entire dnf/rpm4 stack to Python 3

[Richard Purdie]

On Fri, 2017-03-24 at 23:08 +0200, Alexander Kanavin wrote:
> [YOCTO #11180]

So close but:

https://autobuilder.yocto.io/builders/nightly-multilib/builds/226
https://autobuilder.yocto.io/builders/nightly-x32/builds/206

Cheers,

Richard