patch 8.2.3740: memory left allocated on exit when using Tcl Commit: https://github.com/vim/vim/commit/c7269f862748c3b0f56b5a651019e18c7d5190ee Author: Bram Moolenaar <Bram@vim.org> Date: Sun Dec 5 11:36:23 2021 +0000 patch 8.2.3740: memory left allocated on exit when using Tcl Problem: Memory left allocated on exit when using Tcl. Solution: Call Tcl_Finalize().

#!/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)