fix bug

py-client/libs/collector.py

@@ -2,7 +2,7 @@ from dataclasses import asdict, is_dataclass
 from datetime import date, datetime
 from enum import Enum
 from typing import Any
-
+from strategy.trend.boot import get_collector_snapshot
 import httpx
 
 
@@ -11,8 +11,6 @@ COLLECTOR_URL = "http://139.224.247.176:13499/collector"
 
 def submit_trend_data() -> None:
     """每五分钟提交趋势策略的最新缓存，尚无快照时跳过。"""
-    from strategy.trend.boot import get_collector_snapshot
-
     snapshot = get_collector_snapshot()
     if snapshot is not None:
         collector_push(*snapshot)