Remove unused imports.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@28969 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/CMFActivity/ActiveObject.py

@@ -29,7 +29,6 @@
 import ExtensionClass
 from AccessControl import ClassSecurityInfo
 from Acquisition import aq_base
-from ZODB.POSException import ConflictError
 from Products.CMFCore.utils import getToolByName
 from Products.ERP5Type.TransactionalVariable import getTransactionalVariable
 from ActivityRuntimeEnvironment import getActivityRuntimeEnvironment
@@ -39,9 +38,6 @@ try:
 except ImportError:
   from Products.CMFCore import CMFCorePermissions as permissions
 
-from zLOG import LOG, WARNING
-import sys
-
 DEFAULT_ACTIVITY = 'SQLDict'
 
 # Processing node are used to store processing state or processing node