cleanup: remove useless import

product/ERP5/Document/Document.py

@@ -27,23 +27,16 @@
 #
 ##############################################################################
 
-import re, sys, os
-from operator import add
+import re
 from zLOG import LOG
-from AccessControl import ClassSecurityInfo, getSecurityManager
-from AccessControl.SecurityManagement import newSecurityManager, setSecurityManager
+from AccessControl import ClassSecurityInfo
 from Acquisition import aq_base
 from Products.ERP5Type.Accessor.Constant import PropertyGetter as ConstantGetter
-from Products.ERP5Type.Globals import get_request
 from Products.CMFCore.utils import _checkPermission
 from Products.ERP5Type import Permissions, PropertySheet, interfaces
 from Products.ERP5Type.XMLObject import XMLObject
-from Products.ERP5Type.DateUtils import convertDateToHour,\
-                                number_of_hours_in_day, number_of_hours_in_year
-from Products.ERP5Type.Utils import convertToUpperCase, fill_args_from_request,\
-                                    deprecated, guessEncodingFromText
+from Products.ERP5Type.Utils import deprecated, guessEncodingFromText
 from Products.ERP5Type.TransactionalVariable import getTransactionalVariable
-from Products.ERP5Type.Cache import getReadOnlyTransactionCache
 from Products.ERP5.Tool.ContributionTool import MAX_REPEAT
 from Products.ZSQLCatalog.SQLCatalog import Query, NegatedQuery
 from AccessControl import Unauthorized