def format_author(self, entry):
        try:
            persons = entry.persons[u"author"]
            if sys.version_info[0] == 2:
                authors = [unicode(au) for au in persons]
            elif sys.version_info[0] == 3:
                authors = [str(au) for au in persons]
        except __HOLE__:
            authors = [""]
        authors = self.strip_chars("; ".join(authors))
        return authors
dataset/ETHPy150Open vim-scripts/Citation.vim/python/citation_vim/bibtex/parser.py/bibtexParser.format_author