fix: crawler_get局部import urllib.request遮蔽模块级urllib→所有查询类opp工具UnboundLocalError

pipeline_opportunity/opp_common.py

@@ -10,6 +10,7 @@
 import json
 import logging
 import urllib.parse
+import urllib.request
 
 from sqlor.dbpools import DBPools
 from appPublic.uniqueID import getID
@@ -133,7 +134,6 @@ async def crawler_get(sor, path, params=None, timeout=20):
                 return True, r.json()
         # 无 httpx 时退回 urllib（同步阻塞，仅在缺依赖时用）
         import asyncio
-        import urllib.request
 
         def _blocking():
             req = urllib.request.Request(url, headers=headers)