langchain/chains/natbot/crawler.py/Crawler/go_to_page
class Crawler:    def go_to_page(self, url: str) -> None:
        self.page.goto(url=url if "://" in url else "http://" + url)
        self.client = self.page.context.new_cdp_session(self.page)
        self.page_element_buffer = {}