patch 8.2.3249: Vim9: error for re-imported function with default argument Commit: https://github.com/vim/vim/commit/60dc8274e9f8c6a20d54efebc7a8752fe062eead Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jul 29 22:48:54 2021 +0200 patch 8.2.3249: Vim9: error for re-imported function with default argument Problem: Vim9: error for re-imported function with default argument. Solution: Do not check argument type if it is still unknown. (closes https://github.com/vim/vim/issues/8653)