- use ipdb if available

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@26538 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/tests/ERP5TypeTestCase.py

@@ -837,7 +837,11 @@ class ERP5TypeTestCase(PortalTestCase):
         raise
 
     def stepPdb(self, sequence=None, sequence_list=None):
-      import pdb; pdb.set_trace()
+      try:
+        import ipdb as pdb
+      except ImportError:
+        import pdb
+      pdb.set_trace()
       pass
 
     def stepTic(self, **kw):