@cached_property
    def api_version(self):
        metas = [
            x for x in self.parsed.findall(".//meta")
            if x.get("name", "").lower() == "api-version"
        ]
        if metas:
            try:
                return int(metas[0].get("value", None))
            except (__HOLE__, ValueError):
                pass

        return None
dataset/ETHPy150Open anzev/hedwig/build/pip/pip/index.py/HTMLPage.api_version