chore: 清理未使用变量

services/stock_analyzer_service.py

@@ -1,10 +1,7 @@
-import pandas as pd
-import numpy as np
-import asyncio
 import json
 from datetime import datetime
-from typing import Dict, List, Optional, Tuple, Any, AsyncGenerator
-from logger import get_logger
+from typing import List, AsyncGenerator
+from utils.logger import get_logger
 from services.stock_data_provider import StockDataProvider
 from services.technical_indicator import TechnicalIndicator
 from services.stock_scorer import StockScorer