code: def get_feed_url_from_video(video_url):
          
          web_page = Webpage(video_url)
          web_page.get_html_source()
          channel_id = \
              web_page.soup.find_all("div", {"class": "yt-user-info"})[0].a[
                  "href"]
          channel_id = str(channel_id).strip().replace("/channel/",
                                                       "")  # get channel id
          return YoutubeChannel.get_feed_url_from_id(channel_id)
docs: Gets channel id and then creates feed url
  
          :param video_url: Url of video
          :return: feed url