patch 8.1.0804: crash when setting v:errmsg to empty list commit https://github.com/vim/vim/commit/4b9e91f0ba02192e4592a5c4a9bdcdd6e9efeb5e Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jan 24 13:58:11 2019 +0100 patch 8.1.0804: crash when setting v:errmsg to empty list Problem: Crash when setting v:errmsg to empty list. (Jaon Franklin) Solution: Separate getting value and assigning result.

#!/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