diff --git a/waybackpy/wrapper.py b/waybackpy/wrapper.py
index feef542..acc2388 100644
--- a/waybackpy/wrapper.py
+++ b/waybackpy/wrapper.py
@@ -1,3 +1,4 @@
+import re
 from datetime import datetime, timedelta
 from .exceptions import WaybackError
 from .cdx import Cdx