patch 8.2.0729: Vim9: When reloading a script variables are not cleared Commit: https://github.com/vim/vim/commit/89483d40438830fb9e74a5ec6c92d2470b05e4c2 Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 10 15:24:44 2020 +0200 patch 8.2.0729: Vim9: When reloading a script variables are not cleared Problem: Vim9: When reloading a script variables are not cleared. Solution: When sourcing a script again clear all script-local variables.

#!/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