patch 8.1.0697: ":sign place" requires the buffer argument commit https://github.com/vim/vim/commit/b328cca2548936c5f68fff683049a929882f5011 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jan 6 16:24:01 2019 +0100 patch 8.1.0697: ":sign place" requires the buffer argument Problem: ":sign place" requires the buffer argument. Solution: Make the argument optional. Also update the help and clean up the sign test. (Yegappan Lakshmanan, closes #3767)

#!/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