patch 8.2.4643: Vim9: variable may be locked unintentionally Commit: https://github.com/vim/vim/commit/24565cf27bc28cbd73f10e5ddf1e4ef53038a426 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Mar 28 18:16:52 2022 +0100 patch 8.2.4643: Vim9: variable may be locked unintentionally Problem: Vim9: variable may be locked unintentionally. Solution: Clear "v_lock". (closes https://github.com/vim/vim/issues/10036)

#!/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