def opportunity(self, profit, volume, buyprice, kask, sellprice, kbid,
                    perc, weighted_buyprice, weighted_sellprice):
        print(profit % "Time: %.3f")
dataset/ETHPy150Open maxme/bitcoin-arbitrage/arbitrage/test/arbitrage_speed_test.py/TestObserver.opportunity/swapped operands of `%`