patch 8.2.1977: Vim9: error for using a string in a condition is confusing Commit: https://github.com/vim/vim/commit/ea2d407f9c144bb634c59017944e4930ed7f80a2 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Nov 12 12:08:51 2020 +0100 patch 8.2.1977: Vim9: error for using a string in a condition is confusing Problem: Vim9: error for using a string in a condition is confusing. Solution: Give a more specific error. Also adjust the compile time type checking for || and &&.

#!/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