removed some more old notokenerrors

rowers/traverselinktest.py

@@ -20,7 +20,7 @@ from time import strftime,strptime,mktime,time,daylight
 import os
 from rowers.tasks import handle_makeplot
 from rowers.utils import serialize_list,deserialize_list
-from rowers.c2stuff import C2NoTokenError
+
 from shutil import copyfile
 
 from minimocktest import MockTestCase