def get_comments_at_indexes(self, indexes):
        """Get a list of comments at specified indexes"""
        s = self.style[indexes]
        has_comments = np.where(s & comment_bit_mask > 0)[0]
        comments = []
        for where_index in has_comments:
            raw = self.get_raw_index(indexes[where_index])
            try:
                comment = self.rawdata.extra.comments[raw]
            except KeyError:
                comment = None
            comments.append(comment)
        return has_comments, comments