Copyright for python-pretty-yaml source package in Sid

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: pretty-yaml
Source: https://github.com/mk-fg/pretty-yaml 

Files: *
Copyright: 2012 Mike Kazantsev
License: WTFPL-2

Files: debian/*
Copyright: 2016-2023 Sascha Steinbiss 
License: WTFPL-2

License: WTFPL-2
 Everyone is permitted to copy and distribute verbatim or modified
 copies of this license document, and changing it is allowed as long
 as the name is changed.
 .
            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
 .
  0. You just DO WHAT THE FUCK YOU WANT TO.