reindent code with 2 spaces

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@29015 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/Image.py

@@ -133,7 +133,6 @@ class Image(File, OFSImage):
     self.width = width
     self._setContentType(content_type)
 
-  
   def _upradeImage(self):
     """
       This method upgrades internal data structures is required