patch 8.1.1259: crash when exiting early commit https://github.com/vim/vim/commit/e5c83286bb9a72cc686f2826e605eddebe3c730c Author: Bram Moolenaar <Bram@vim.org> Date: Fri May 3 23:15:37 2019 +0200 patch 8.1.1259: crash when exiting early Problem: Crash when exiting early. (Ralf Schandl) Solution: Only pop/push the title when it was set. (closes https://github.com/vim/vim/issues/4334)

#!/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