Assign multiple values to variables with a function in a class
Use parens:

(self.katAsk, self.katBid, self.promAsk, self.promBid, self.montAsk,
 self.montBid, self.katProm, self.katMont, self.promKat, self.promMont,
 self.montKat, self.montProm, self.ticker) = self.get_row()