patch 8.0.1413: accessing freed memory in :cbuffer commit https://github.com/vim/vim/commit/aaf6e43b7a99cedb89d73ba749a46f7a0f16bbb6 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Dec 19 16:41:14 2017 +0100 patch 8.0.1413: accessing freed memory in :cbuffer Problem: Accessing freed memory in :cbuffer. Solution: Get quickfix list after executing autocmds. (closes https://github.com/vim/vim/issues/2470)

#!/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