Error HTTPSConnectionPool(host='api.bitfinex.com', port=443): Max retries exceeded with url: /v1/credits

Hi, I get this error quite frequently. Using Bitfinex.

 Unhandled error, please open a Github issue so we can fix it!
2017-10-04 06:28:06 Error HTTPSConnectionPool(host='api.bitfinex.com', port=443): Max retries exceeded with url: /v1/credits (Caused by NewConnectionError('<requests.packages.urllib3.connection.VerifiedHTTPSConnection object at 0x749dd970>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution',)) Requesting https://api.bitfinex.com/v1/credits
Traceback (most recent call last):
  File "lendingbot.py", line 94, in <module>
    Lending.lend_all()
  File "/Desktop/bitfinex/modules/Lending.py", line 224, in lend_all
    total_lent = Data.get_total_lent()[0]
  File "/Desktop/bitfinex/modules/Data.py", line 44, in get_total_lent
    crypto_lent = api.return_active_loans()
  File "/Desktop/bitfinex/modules/Bitfinex.py", line 160, in return_active_loans
    bfx_resp = self._post('credits')
  File "/Desktop/bitfinex/modules/Bitfinex.py", line 116, in _post
    return self._request('post', payload['request'], signed_payload, verify)
  File "/Desktop/bitfinex/modules/ExchangeApi.py", line 29, in new_method
    return method(self, *arg, **kws)
  File "/Desktop/bitfinex/modules/Bitfinex.py", line 109, in _request
    raise ex

[Evanito]

Related: #617

[rnevet]

Can’t we just get Polo ip and then use it (some kind of caching?) ? so we don’t do too much DNS resolving?