patch 9.0.1053: default constructor arguments are not optional Commit: https://github.com/vim/vim/commit/65b0d1676814ee08fb58ef8d64dd342d1d883192 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Dec 13 18:43:22 2022 +0000 patch 9.0.1053: default constructor arguments are not optional Problem: Default constructor arguments are not optional. Solution: Use "= v:none" to make constructor arguments optional.

#!/usr/bin/env python
#
# Server that will accept connections from a Vim channel.
# Used by test_channel.vim.
#
# This requires Python 2.6 or later.

from test_channel import main, ThreadedTCPServer
import socket

class ThreadedTCP6Server(ThreadedTCPServer):
    address_family = socket.AF_INET6

if __name__ == "__main__":
    main("::", 0, ThreadedTCP6Server)