revert r35754 done by mistake

Sorry.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@35756 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/File.py

@@ -225,8 +225,7 @@ class File(Document, CMFFile):
 
     return (mime_type, content)
 
-  security.declareProtected(Permissions.AccessContentsInformation, 'convert')
-  def convert(self, format, **kw):
+  def _convert(self, format, **kw):
     """According content_type of data we can proceed some Conversions.
     The idea is to wrap data into TempDocument who support conversion
     then return conversion from this temporary document.