Comment 23 for bug 1376483

Can those of you who are still encountering this issue try the latest version of python3-txtftp? It seems that it may still need to be backported to Xenial.

It can be downloaded directly from the archive at:

http://archive.ubuntu.com/ubuntu/pool/main/p/python-tx-tftp/python3-txtftp_0.1~bzr47-0ubuntu2_all.deb