Prevent recursion by using proper API.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@37161 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/mixin/extensible_traversable.py

@@ -201,7 +201,7 @@ class OOoDocumentExtensibleTraversableMixIn(BaseExtensibleTraversableMixIn):
       mime, data = self.getConversion(format=EMBEDDED_FORMAT, file_name=name)
       document = OFSFile(name, name, data, content_type=mime).__of__(self.aq_parent)
     except (NotConvertedError, ConversionError, KeyError):
-      document = DocumentExtensibleTraversableMixIn._getExtensibleContent(self, request, name)
+      document = DocumentExtensibleTraversableMixIn.getExtensibleContent(self, request, name)
     # restore original security context if there's a logged in user
     if user is not None:
       setSecurityManager(old_manager)