diff --git a/zk/base.py b/zk/base.py
index ba67c02..43504cc 100644
--- a/zk/base.py
+++ b/zk/base.py
@@ -179,6 +179,7 @@ class ZK(object):
             (24 * 60 * 60) + (t.hour * 60 + t.minute) * 60 + t.second
         )
         return d
+
     def connect(self):
         '''
         connect to the device