Fixed a deprecation warning for Products.PageTemplates.TALES by a conditional...

Fixed a deprecation warning for Products.PageTemplates.TALES by a conditional import, so it still works on Zope 2.12.

Products/DCWorkflow/CHANGES.txt

@@ -2,4 +2,5 @@ Products.DCWorkflow Changelog
 
   Products.DCWorkflow 2.2.0 (unreleased)
 
-    - 
+    - Fixed a deprecation warning for Products.PageTemplates.TALES by a
+      conditional import, so it still works on Zope 2.12.

Products/DCWorkflow/tests/test_guard.py

@@ -17,11 +17,8 @@ $Id$
 
 import unittest
 import Testing
-import warnings
 
 from AccessControl import getSecurityManager
-warnings.filterwarnings('ignore', "Products.PageTemplates.TALES has moved")
-from Products.PageTemplates.TALES import CompilerError
 from Products.CMFCore.tests.base.dummy import DummyContent
 from Products.CMFCore.tests.base.dummy import DummySite
 from Products.CMFCore.tests.base.dummy import DummyTool
@@ -30,6 +27,12 @@ from Products.CMFCore.WorkflowTool import WorkflowTool
 from Products.DCWorkflow.Guard import Guard
 from Products.DCWorkflow.DCWorkflow import DCWorkflowDefinition
 
+# BBB for Zope < 2.10
+try:
+    from zope.tales.tales import CompilerError
+except ImportError:
+    from Products.PageTemplates.TALES import CompilerError
+
 
 class TestGuard(unittest.TestCase):