commands = [
    ('commands', '''
        amazon.py
        beolingus.py
        browse.py
        cal.py
        clipboard.py
        computer.py
        convert.py
        date.py
        eval.py
        google.py
        help.py
        octopart.py
        run.py
        wunderground.py
    '''.split())
]

Add example configuration file.