patch 8.2.4173: cannot use an import in 'foldexpr' Commit: https://github.com/vim/vim/commit/e70dd11ef41f69bd5e94f630194e6b3c4f3f2102 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jan 21 16:31:11 2022 +0000 patch 8.2.4173: cannot use an import in 'foldexpr' Problem: Cannot use an import in 'foldexpr'. Solution: Set the script context to where 'foldexpr' was set. (closes https://github.com/vim/vim/issues/9584) Fix that the script context was not set for all buffers.

#!/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