patch 8.2.3216: Vim9: crash when using variable in a loop at script level Commit: https://github.com/vim/vim/commit/2eb6fc3b52148f961e804ec2be361d531ff770d8 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jul 25 14:13:53 2021 +0200 patch 8.2.3216: Vim9: crash when using variable in a loop at script level Problem: Vim9: crash when using variable in a loop at script level. Solution: Do not clear the variable if a function was defined. Do not create a new entry in sn_var_vals every time. (closes #8628)

#!/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