missing import traceback

upload-update.py

@@ -30,11 +30,13 @@
 
 import ConfigParser
 import datetime
-from slapos.networkcachehelper import helper_upload_network_cached_from_file
 from optparse import OptionParser, Option
+import traceback
 import sys
 import time
 
+from slapos.networkcachehelper import helper_upload_network_cached_from_file
+
 
 class Parser(OptionParser):
   """