code: def fetch(self, url):
          
          try:
              r = requests.get(url, timeout=self.timeout)
          except requests.exceptions.Timeout:
              if not self.safe:
                  raise
              else:
                  return None
          
          # Raise 404/500 error if any
          if r and not self.safe:
              r.raise_for_status()
          
          return r.text
docs: Get the feed content using 'requests'