Прерывается работа

Каждую ночь скрипт прерывается с ошибкой. В чем проблема?
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 391, in _make_request
    six.raise_from(e, None)
  File "<string>", line 2, in raise_from
  File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 387, in _make_request
    httplib_response = conn.getresponse()
  File "/usr/lib/python3.5/http/client.py", line 1198, in getresponse
    response.begin()
  File "/usr/lib/python3.5/http/client.py", line 297, in begin
    version, status, reason = self._read_status()
  File "/usr/lib/python3.5/http/client.py", line 258, in _read_status
    line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1")
  File "/usr/lib/python3.5/socket.py", line 576, in readinto
    return self._sock.recv_into(b)
  File "/usr/lib/python3.5/ssl.py", line 937, in recv_into
    return self.read(nbytes, buffer)
  File "/usr/lib/python3.5/ssl.py", line 799, in read
    return self._sslobj.read(len, buffer)
  File "/usr/lib/python3.5/ssl.py", line 583, in read
    v = self._sslobj.read(len, buffer)
socket.timeout: The read operation timed out

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/requests/adapters.py", line 423, in send
    timeout=timeout
  File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 643, in urlopen
    _stacktrace=sys.exc_info()[2])
  File "/usr/lib/python3/dist-packages/urllib3/util/retry.py", line 334, in increment
    raise six.reraise(type(error), error, _stacktrace)
  File "/usr/lib/python3/dist-packages/six.py", line 686, in reraise
    raise value
  File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 594, in urlopen
    chunked=chunked)
  File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 393, in _make_request
    self._raise_timeout(err=e, url=url, timeout_value=read_timeout)
  File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 313, in _raise_timeout
    raise ReadTimeoutError(self, url, "Read timed out. (read timeout=%s)" % timeout_value)
requests.packages.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='lp.vk.com', port=443): Read timed out. (read timeout=35)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "start.py", line 228, in <module>
    main()
  File "start.py", line 205, in main
    for event in longpoll.listen():
  File "/usr/local/lib/python3.5/dist-packages/vk_api/bot_longpoll.py", line 274, in listen
    for event in self.check():
  File "/usr/local/lib/python3.5/dist-packages/vk_api/bot_longpoll.py", line 246, in check
    timeout=self.wait + 10
  File "/usr/lib/python3/dist-packages/requests/sessions.py", line 501, in get
    return self.request('GET', url, **kwargs)
  File "/usr/lib/python3/dist-packages/requests/sessions.py", line 488, in request
    resp = self.send(prep, **send_kwargs)
  File "/usr/lib/python3/dist-packages/requests/sessions.py", line 609, in send
    r = adapter.send(request, **kwargs)
  File "/usr/lib/python3/dist-packages/requests/adapters.py", line 499, in send
    raise ReadTimeout(e, request=request)
requests.exceptions.ReadTimeout: HTTPSConnectionPool(host='lp.vk.com', port=443): Read timed out. (read timeout=35)
python273 / vk_api

Прерывается работа #255
