def cancel_all_orders(self, symbol=None, params={}):
    self.load_markets()
    response = self.privatePostOrdersOrderIdCancel(params)
    return self.parse_orders(response)
def cancel_all_orders(self, symbol=None, params={}):
    self.load_markets()
    response = self.privatePostOrdersOrderIdCancel(params)
    return self.parse_orders(response)