> I noticed in use that if an option with the 'append' action isn't > used, argparse assigns None to it rather than an empty list, & > confirmed this interactively:
I don't use argparse (or optparse), being a getopt Luddite myself, but can you set the default for an action in the add_argument call? Skip -- https://mail.python.org/mailman/listinfo/python-list
