Bitfinex fetchTickers failed to recognize NECUSD

[lucasgadams]

• OS: Ubuntu 16.04
• Programming Language version: python 3.5.2
• CCXT version: ccxt==1.10.1242
• Exchange: bitfinex
• Method: fetchTickers

Every once in a while I receive the following error using bitfinex fetchTickers :
File "/home/ubuntu/env/lib/python3.5/site-packages/ccxt/bitfinex.py", line 387, in fetch_tickers
raise ExchangeError(self.id + ' fetchTickers() failed to recognize symbol ' + id + ' ' + self.json(ticker))
ccxt.base.errors.ExchangeError: bitfinex fetchTickers() failed to recognize symbol NECUSD {"volume":"2438.6685917","low":"0.86","high":"1.09","ask":"1.0","bid":"0.8523","mid":"0.92615","last_price":"0.86","pair":"NECUSD","timestamp":"1520953076.949080844"}

[kroitor]

Duplicate: #2180