patch 8.0.1831: sometimes the quickfix title is incorrectly prefixed with ':' commit https://github.com/vim/vim/commit/8b62e31003693fee4b288e7aea49170f032aeef3 Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 13 15:29:04 2018 +0200 patch 8.0.1831: sometimes the quickfix title is incorrectly prefixed with ':' Problem: Sometimes the quickfix title is incorrectly prefixed with ':'. Solution: Prepend the colon in another way. (Yegappan Lakshmanan, closes #2905)

#!/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