I obsoleted it since that package was built by gnome-keysign, but sure - weak removal works for me.

the service_ident -- python-twisted that can use it, have it correctly set as a recommends. I added it as a hard req here since this package deals explicitly with security sensitive things.
IE avoid the
UserWarning: You do not have a working installation of the service_identity module: 'No module named 'service_identity''. Please install it from and make sure all of its dependencies are satisfied. Without the service_identity module, Twisted can perform only rudimentary TLS client hostname verification. Many valid certificate/hostname mappings may be rejected.