patch 8.1.1738: testing lambda with timer is slow commit https://github.com/vim/vim/commit/9bc4dde45d45df732953491d0f2c3fd3b10a627e Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jul 24 13:08:29 2019 +0200 patch 8.1.1738: testing lambda with timer is slow Problem: Testing lambda with timer is slow. Solution: Do not test timer accuracy, only that it works. (Daniel Hahler, closes #4723)

#!/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