def fetch_ticker(self, symbol, params={}):
    self.load_markets()
    tickers = self.fetch_tickers(None, params)
    if (symbol in tickers):
        return tickers[symbol]
    raise ExchangeError(((self.id + ' return did not contain ') + symbol))
def fetch_ticker(self, symbol, params={}):
    self.load_markets()
    tickers = self.fetch_tickers(None, params)
    if (symbol in tickers):
        return tickers[symbol]
    raise ExchangeError(((self.id + ' return did not contain ') + symbol))