Market orders working / but not limit orders?

[jpbruneton]

answer = client.buy('BTC-PERPETUAL', 10, 'limit', False, price = 64460)
would be
{'jsonrpc': '2.0', 'id': 1, 'result': {'trades': [], 'order': {'is_liquidation': False, 'risk_reducing': False, 'order_type': 'limit', 'creation_timestamp': 1709663161987, 'order_state': 'open', 'contracts': 1.0, 'average_price': 0.0, 'reduce_only': False, 'post_only': False, 'last_update_timestamp': 1709663161987, 'filled_amount': 0.0, 'replaced': False, 'web': False, 'api': True, 'mmp': False, 'instrument_name': 'BTC-PERPETUAL', 'order_id': '66581975120', 'max_show': 10.0, 'time_in_force': 'good_til_cancelled', 'amount': 10.0, 'direction': 'buy', 'price': 64460.0, 'label': ''}}, 'usIn': 1709663161985366, 'usOut': 1709663161988051, 'usDiff': 2685, 'testnet': False}

trying to cancel this order_id
d = client.cancel(order_id)
returns
{'jsonrpc': '2.0', 'id': 1, 'error': {'message': 'not_open_order', 'code': 11044}, 'usIn': 1709663172181556, 'usOut': 1709663172183829, 'usDiff': 2273, 'testnet': False}

Any help greatly appreciated : very nice code otherwise; good start to build more