code: def get_html_source(self):
          
          req = urllib.request.Request(self.url)
          req.add_header("user-agent", random.choice(USER_AGENTS))
          req_text = urllib.request.urlopen(req).read()
          self.source = str(req_text)
          self.soup = BeautifulSoup(self.source, "html.parser")
          return self.source
docs: Gets source page of url
          :return: HTML source