Workflow.py: import creatExprContext directly from original file.

product/ERP5Workflow/Document/Workflow.py

@@ -52,7 +52,7 @@ from Products.DCWorkflow.DCWorkflow import DCWorkflowDefinition as DCWorkflow
 from Products.ERP5Type import Permissions, PropertySheet
 from Products.ERP5Type.Globals import PersistentMapping
 from Products.ERP5Type.id_as_reference import IdAsReferenceMixin
-from Products.ERP5Type.patches.Expression import createExprContext
+from Products.DCWorkflow.Expression import createExprContext
 from Products.ERP5Type.patches.WorkflowTool import SECURITY_PARAMETER_ID,\
                                                           WORKLIST_METADATA_KEY
 from Products.ERP5Type.Utils import UpperCase, convertToMixedCase