#1564: fix issue with _sig when using proxyConfig

deploy/docker/crawler_pool.py

@@ -2,8 +2,8 @@
 import asyncio, json, hashlib, time, psutil
 from contextlib import suppress
 from typing import Dict
-from crawl4ai import AsyncWebCrawler, BrowserConfig
-from typing import Dict
+from crawl4ai import AsyncWebCrawler, BrowserConfig, BrowserAdapter
+from typing import Dict ,Optional
 from utils import load_config 
 
 CONFIG = load_config()