"""Gate.io ccxt 构造(ccxt 4.x 起类名由 gateio 改为 gate)。""" from __future__ import annotations import ccxt def gate_ccxt_class(): """返回 ccxt Gate 交易所类(兼容旧版 gateio 名称)。""" return getattr(ccxt, "gate", None) or ccxt.gateio