def __init__(self, site_config, base_path, pages, feed_fn='atom.xml'):
        super(FeedGenerator, self).__init__(site_config, base_path)
        self.pages = pages
        self.feed_fn = feed_fn
Ensure that 'option' is a list of strings.  If 'option' is
dataset/ETHPy150Open tankywoo/simiki/simiki/generators.py/FeedGenerator.__init__--crossover with--dataset/ETHPy150Open babble/babble/include/jython/Lib/distutils/cmd.py/Command.ensure_string_list