Pyflaked.

master/product/Vifib/tests/testVifibInstanceHostingRelatedDocument.py

 import unittest
 from Products.ERP5Type.tests.Sequence import SequenceList
-from Products.ERP5Type.DateUtils import getClosestDate, addToDate
 from testVifibSlapWebService import TestVifibSlapWebServiceMixin
 
-from DateTime.DateTime import DateTime
-
 class TestVifibInstanceHostingRelatedDocument(TestVifibSlapWebServiceMixin):
 
   def stepTriggerBuild(self, sequence, **kw):