Method from_er

python/ccxt/phemex.py:1316–1319

(self, er, market: Market = None)

        return self.from_en(ev, self.safe_integer(market, 'valueScale'))

    def from_er(self, er, market: Market = None):
        if (er is None) or (market is None):
            return er
        return self.from_en(er, self.safe_integer(market, 'ratioScale'))

    def parse_ohlcv(self, ohlcv, market: Market = None) -> list:
        #