Ensure bytes are sent to the socket
Ensure bytes are sent to the socket

pyzmq requires bytes, not text.

Signed-off-by: Jeremy Cline <b3f594e10a9edcf5413cf1190121d45078c62290@jcline.org>

fedora-infra/fedmsg,chaiku/fedmsg,chaiku/fedmsg,fedora-infra/fedmsg,fedora-infra/fedmsg,chaiku/fedmsg