diff --git a/workalendar/core.py b/workalendar/core.py
index fe777feb..66e28b5b 100644
--- a/workalendar/core.py
+++ b/workalendar/core.py
@@ -10,7 +10,7 @@
 
 import convertdate
 from dateutil import easter
-from lunarcalendar import Lunar, DateNotExist
+from lunarcalendar import Lunar
 
 from .exceptions import (
     UnsupportedDateType, CalendarError,