#require py3exe This test helps in keeping a track on which commands we can run on Python 3 and see what kind of errors are coming up. The full traceback is hidden to have a stable output. $ for cmd in version debuginstall ; do > echo $cmd > $PYTHON3 `which hg` $cmd 2>&1 2>&1 | tail -1 > done version TypeError: startswith first arg must be str or a tuple of str, not bytes debuginstall TypeError: startswith first arg must be str or a tuple of str, not bytes