How to use the pytube.request.get function in pytube

It's an alternative for BeautifulSoup
        """

        url = self.construct_playlist_url()
        req = request.get(url)

        # split the page source by line and process each line
        content = [x for x in req.split('\n') if 'pl-video-title-link' in x]
        link_list = [x.split('href="', 1)[1].split('&', 1)[0] for x in content]

        # The above only returns 100 or fewer links
        # Simulating a browser request for the load more link
        load_more_url = self._load_more_url(req)
        while len(load_more_url):   # there is an url found
            logger.debug('load more url: %s' % load_more_url)
            req = request.get(load_more_url)
            load_more = json.loads(req)
            videos = re.findall(
                r'href=\"(/watch\?v=[\w-]*)',
                load_more['content_html'],
            )
            # remove duplicates
            link_list.extend(list(OrderedDict.fromkeys(videos)))
            load_more_url = self._load_more_url(
                load_more['load_more_widget_html'],
            )

        return link_list

:rtype: None

        """
        self.watch_html = request.get(url=self.watch_url)
        if '

def filesize(self):
		"""File size of the media stream in bytes.

		:rtype: int
		:returns:
			Filesize (in bytes) of the stream.
		"""
		if self._filesize is None:
			headers = request.get(self.url, headers=True)
			self._filesize = int(headers['content-length'])
		return self._filesize

def prefetch(self):
		"""Eagerly download all necessary data.

		Eagerly executes all necessary network requests so all other
		operations don't does need to make calls outside of the interpreter
		which blocks for long periods of time.

		:rtype: None

		"""
		self.watch_html = request.get(url=self.watch_url)
		if '

self.watch_html = request.get(url=self.watch_url)
        if '