diff --git a/chaquo/src/main/python/base/spider.py b/chaquo/src/main/python/base/spider.py
index 64f64e2fb..84e44990e 100644
--- a/chaquo/src/main/python/base/spider.py
+++ b/chaquo/src/main/python/base/spider.py
@@ -1,6 +1,7 @@
 import re
 import os
 import json
+import time
 import requests
 from lxml import etree
 from com.chaquo.python import Python