Typo.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@17620 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5OOo/Document/OOoDocument.py

@@ -448,7 +448,7 @@ class OOoDocument(File, ConversionCacheMixin):
       OOo instances implement conversion to a base format. We should therefore
       use the default accessor.
     """
-    return self.baseHasBaseData()
+    return self._baseHasBaseData()
 
   security.declarePrivate('_convertToBaseFormat')
   def _convertToBaseFormat(self):