Fix file closed bug

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk/utils@41208 20353a03-c40f-0410-a6d1-a30d3c3de9de

cloudooo/document.py

@@ -153,11 +153,7 @@ class OdfDocument(object):
     data -- Content of the document
     source_format -- Document Extension
     """
-    data_file = StringIO(data)
-    try:
-      self._zipfile = ZipFile(data_file)
-    finally:
-      data_file.close()
+    self._zipfile = ZipFile(StringIO(data))
 
     self.source_format = source_format
     # XXX - Maybe parsed_content should not be here, but on OOGranulate