--- a/web/settings.py	Tue Jun 09 21:22:10 2015 +0800
+++ b/web/settings.py	Tue Jun 09 23:29:11 2015 +0800
@@ -2,6 +2,9 @@
 import fcntl
 import hashlib
 
+import binascii
+import os
+
 class Settings(object):
     RAND_SIZE = 15 # 120 bits
 
@@ -22,7 +25,7 @@
         self.epoch = None
         self.tag = None
 
-        self.update(self, None, 'startepoch')
+        self.update(None, 'startepoch')
 
     def wait(self, epoch_tag = None, timeout = None):
         """ returns false if the timeout was hit """