we don't want to display raw file content on __str__ like in OFS.File

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@40379 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/File.py

@@ -88,6 +88,9 @@ class File(Document, CMFFile):
                     , PropertySheet.Periodicity
     )
 
+  # OFS.File has an overloaded __str__ that returns the file content
+  __str__ = object.__str__
+
   ### Special edit method
   security.declarePrivate( '_edit' )
   def _edit(self, **kw):