def GetBlogPostFeed(self, blog_id=None, uri=None):
    if blog_id:
      uri = blog_id % 'http://www.blogger.com/feeds/%s/posts/default'
    return self.Get(uri, converter=gdata.blogger.BlogPostFeedFromString)
dataset/ETHPy150Open bradfitz/addressbooker/gdata/blogger/service.py/BloggerService.GetBlogPostFeed/swapped operands of `%`