patch 8.2.3817: Vim9: Not using NL as command end does not work for :autocmd Commit: https://github.com/vim/vim/commit/f87dac04c351583241ea1c4ec4228516431e6f22 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Dec 15 17:53:40 2021 +0000 patch 8.2.3817: Vim9: Not using NL as command end does not work for :autocmd Problem: Vim9: Not using NL as command end does not work for :autocmd. Solution: Only ignore NL for commands with an expression argument.

#!/usr/bin/python
#
# Program that writes a number to stdout repeatedly
#
# This requires Python 2.6 or later.

from __future__ import print_function
import sys
import time

if __name__ == "__main__":

    done = 0
    while done < 10:
        done = done + 1
        print(done)
        sys.stdout.flush()
        time.sleep(0.05)  # sleep 50 msec