python3.5 确实有这个问题, 但在 python3.5.1 中已经修复这个问题了
Issue #15114: the strict mode and argument of HTMLParser, HTMLParser.error, and the HTMLParserError exception have been removed.
https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-1-final 中搜索 15114
尝试下载3.5.1