patch 8.2.2016: swap file test is a little flaky Commit: https://github.com/vim/vim/commit/c6ca9f3a29bfd6f5269749036f79f63ce6289692 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Nov 19 18:57:23 2020 +0100 patch 8.2.2016: swap file test is a little flaky Problem: Swap file test is a little flaky. Solution: Don't set a byte to a fixed value, increment it.

#!/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