[Checkins] SVN: Zope3/branches/3.3/src/zope/app/component/back35.py backport bugfix from revision 71115:

[Roger Ineichen]

Log message for revision 71116:
  backport bugfix from revision 71115:
  - Avoid to get a KeyError in generation 3 evolve method

Changed:
  U   Zope3/branches/3.3/src/zope/app/component/back35.py

-=-
Modified: Zope3/branches/3.3/src/zope/app/component/back35.py
===================================================================
--- Zope3/branches/3.3/src/zope/app/component/back35.py	2006-11-13 02:56:10 UTC (rev 71115)
+++ Zope3/branches/3.3/src/zope/app/component/back35.py	2006-11-13 09:52:05 UTC (rev 71116)
@@ -893,7 +893,7 @@
     def __setstate__(self, state):
         if '_registrations' in state:
             # convert data to generation 3 data structure:
-            next = state['next']
+            next = state.get('next')
             if next is None:
                 next = state['base']
             bases = (next, )