why not import this ??

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@3880 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/Item.py

@@ -37,7 +37,7 @@ from Products.ERP5Type import Permissions, PropertySheet, Constraint, Interface
 from Products.ERP5Type.XMLObject import XMLObject
 from Products.ERP5Type.DateUtils import addToDate, getClosestDate, getIntervalBetweenDates 
 from Products.ERP5Type.DateUtils import getMonthAndDaysBetween, getRoundedMonthBetween
-#from Products.ERP5Type.DateUtils import getMonthFraction, getYearFraction, getBissextilCompliantYearFraction
+from Products.ERP5Type.DateUtils import getMonthFraction, getYearFraction, getBissextilCompliantYearFraction
 from Products.ERP5Type.DateUtils import same_movement_interval, number_of_months_in_year, centis, millis
 from Products.ERP5.Document.Amount import Amount
 from Products.CMFCore.WorkflowCore import WorkflowMethod