Ya corri el codigo que hicimos en la clase, ha estado encontrando los links pero despues de un tiempo me sale un error. <code>INFO:__main...

Ya corri el codigo que hicimos en la clase, ha estado encontrando los links pero despues de un tiempo me sale un error.

INFO:__main__:Star fetching article at /metropoli/cdmx/ella-es-maricela-taquillera-en-el-metro-desde-1970
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 141, in _new_conn
    (self.host, self.port), self.timeout, **extra_kw)
  File "/usr/lib/python3/dist-packages/urllib3/util/connection.py", line 60, in create_connection
    for res in socket.getaddrinfo(host, port, family, socket.SOCK_STREAM):
  File "/usr/lib/python3.6/socket.py", line 745, in getaddrinfo
    for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno -2] Name or service not known

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 601, in urlopen
    chunked=chunked)
  File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 357, in _make_request
    conn.request(method, url, **httplib_request_kw)
  File "/usr/lib/python3.6/http/client.py", line 1239, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/usr/lib/python3.6/http/client.py", line 1285, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/usr/lib/python3.6/http/client.py", line 1234, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/usr/lib/python3.6/http/client.py", line 1026, in _send_output
    self.send(msg)
  File "/usr/lib/python3.6/http/client.py", line 964, in send
    self.connect()
  File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 166, in connect
    conn = self._new_conn()
  File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 150, in _new_conn
    self, "Failed to establish a new connection: %s" % e)
urllib3.exceptions.NewConnectionError: <urllib3.connection.HTTPConnection object at 0x7f5d425fb358>: Failed to establish a new connection: [Errno -2] Name or service not known

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/requests/adapters.py", line 440, in send
    timeout=timeout
  File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 639, in urlopen
    _stacktrace=sys.exc_info()[2])
  File "/usr/lib/python3/dist-packages/urllib3/util/retry.py", line 398, in increment
    raise MaxRetryError(_pool, url, error or ResponseError(cause))
urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='www.eluniversal.com.mx', port=80): Max retries exceeded with url: /metropoli/cdmx/ella-es-maricela-taquillera-en-el-metro-desde-1970 (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f5d425fb358>: Failed to establish a new connection: [Errno -2] Name or service not known',))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "main.py", line 64, in <module>
    _news_scrapper(args.news_site)
  File "main.py", line 23, in _news_scrapper
    article = _fetch_article(news_site_uid, host, link)
  File "main.py", line 37, in _fetch_article
    article = news.ArticlePage(news_site_uid, _build_link(host, link))
  File "/home/maego/webscraper/news_page_objects.py", line 39, in __init__
    super().__init__(news_site_uid, url)
  File "/home/maego/webscraper/news_page_objects.py", line 12, in __init__
    self._visit(url)
  File "/home/maego/webscraper/news_page_objects.py", line 18, in _visit
    response = requests.get(url)
  File "/usr/lib/python3/dist-packages/requests/api.py", line 72, in get
    return request('get', url, params=params, **kwargs)
  File "/usr/lib/python3/dist-packages/requests/api.py", line 58, in request
    return session.request(method=method, url=url, **kwargs)
  File "/usr/lib/python3/dist-packages/requests/sessions.py", line 520, in request
    resp = self.send(prep, **send_kwargs)
  File "/usr/lib/python3/dist-packages/requests/sessions.py", line 630, in send
    r = adapter.send(request, **kwargs)
  File "/usr/lib/python3/dist-packages/requests/adapters.py", line 508, in send
    raise ConnectionError(e, request=request)
requests.exceptions.ConnectionError: HTTPConnectionPool(host='www.eluniversal.com.mx', port=80): Max retries exceeded with url: /metropoli/cdmx/ella-es-maricela-taquillera-en-el-metro-desde-1970 (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f5d425fb358>: Failed to establish a new connection: [Errno -2] Name or service not known',))