patch 8.2.2856: get readonly error for device that can't be written to Commit: https://github.com/vim/vim/commit/50157ef1c2e36d8696e79fd688bdd08312196bc6 Author: Bram Moolenaar <Bram@vim.org> Date: Sat May 15 23:21:05 2021 +0200 patch 8.2.2856: get readonly error for device that can't be written to Problem: Get readonly error for device that can't be written to. Solution: Check for being able to write first. (closes https://github.com/vim/vim/issues/8205)

#!/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