patch 8.2.2154: popupwin test for terminal buffer fails sometimes Commit: https://github.com/vim/vim/commit/0353f56ddb379e7f1a68172fa4743355e04df21e Author: Bram Moolenaar <Bram@vim.org> Date: Thu Dec 17 22:27:38 2020 +0100 patch 8.2.2154: popupwin test for terminal buffer fails sometimes Problem: Popupwin test for terminal buffer fails sometimes. Solution: Wait for the prompt to appear.

#!/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