fix TypeError in getModificationDate().

that can happen if there is a workflow entry whose value is None.

fix TypeError in getModificationDate().
that can happen if there is a workflow entry whose value is None.
13a8ed1c · Kazuhiko Shiozaki · 1b062408 · 13a8ed1c
Commit 13a8ed1c authored Dec 08, 2014 by Kazuhiko Shiozaki
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product/ERP5Type/Base.py product/ERP5Type/Base.py +1 -1

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--- a/product/ERP5Type/Base.py
+++ b/product/ERP5Type/Base.py
@@ -3124,7 +3124,7 @@ class Base( CopyContainer,
      for history in history_list.itervalues():
        try:
          date = history[-1]['time']
-        except (IndexError, KeyError):
+        except (IndexError, KeyError, TypeError):
          continue
        if date > max_date:
          max_date = date