--- a/ztfy/utils/file.py	Wed Jun 20 16:29:53 2012 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,37 +0,0 @@
-### -*- coding: utf-8 -*- ####################################################
-##############################################################################
-#
-# Copyright (c) 2008 Thierry Florac <tflorac AT ulthar.net>
-# All Rights Reserved.
-#
-# This software is subject to the provisions of the Zope Public License,
-# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
-# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
-# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
-# FOR A PARTICULAR PURPOSE.
-#
-##############################################################################
-
-
-# import standard packages
-
-# import Zope3 interfaces
-from z3c.form.interfaces import IFileWidget
-from zope.schema.interfaces import IBytes
-
-# import local interfaces
-
-# import Zope3 packages
-from z3c.form.converter import FileUploadDataConverter as BaseDataConverter
-from zope.component import adapts
-
-# import local packages
-
-
-class FileUploadDataConverter(BaseDataConverter):
-
-    adapts(IBytes, IFileWidget)
-
-    def toWidgetValue(self, value):
-        return value or ''