patch 8.0.1391: encoding empty string to JSON sometimes gives "null" commit https://github.com/vim/vim/commit/b29d328eb403a243431f4d0d5b360b4ac46bbc3e Author: Bram Moolenaar <Bram@vim.org> Date: Fri Dec 15 21:25:01 2017 +0100 patch 8.0.1391: encoding empty string to JSON sometimes gives "null" Problem: Encoding empty string to JSON sometimes gives "null". Solution: Handle NULL string as empty string. (closes https://github.com/vim/vim/issues/2446)

#!/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