I am trying to use order_market_buy and order_market_sell to buy/sell, taking BTCUSDT for example, when buying, I want to use all my usdt, when selling, I want to sell all the BTC. I use order_buy = Client.order_market_buy(symbol='BTCUSDT', quoteOrderQty=my_USDT_position) order_sell = Client.order_market_sell(symbol='BTCUSDT', quoteOrderQty=my_BTC_position) it's not working and pop"missing 1 required positional argument: 'self'" Please help me with the problem, thanks! Continue reading...