[issue14156] argparse.FileType for '-' doesn't work for a mode of 'rb'

[Marcel H]

Marcel H added the comment:

I want to see this fixed in python3.x as well, please :) the patch should be the same

----------
nosy: +Marcel H2
versions: +Python 3.6, Python 3.7

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue14156>
_______________________________________