Created attachment 331612 [details] dev-python/python-msrplib-0.15.0.ebuild "This library implements Message Session Relay Protocol (MSRP). MSRP is defined in RFC 4975. The relay extension that can be used for NAT traversal purposes is defined in RFC 4976." This is a dependency for dev-python/python-sipsimple (bug 446024).
See https://bugs.gentoo.org/show_bug.cgi?id=446198#c1.
https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=304ccf83c8464fdd7cb1f3650f7e1d32483a417b