async def fetch_trading_fees(self, params={}):
    (await self.load_markets())
    response = (await self.privateGetExchangeCommissionCommonInfo(params))
    commission = self.safe_float(response, 'commission')
    return {'info': response, 'maker': commission, 'taker': commission}
async def fetch_trading_fees(self, params={}):
    (await self.load_markets())
    response = (await self.privateGetExchangeCommissionCommonInfo(params))
    commission = self.safe_float(response, 'commission')
    return {'info': response, 'maker': commission, 'taker': commission}