unoconv file not closed

hi,
file was passed to unoconv without closing.
see the patch for reference.

Files

Download	Creator	Timestamp	Type
unoconv.patch	@hiaselhans	2014-01-04 17:16:51.273000 UTC	text/plain

added type::behavior + 1 deleted label

NOT LGTM, for me, the file is closed by the context manager.
Have you example of failure because of that?

added 1 deleted label and removed 1 deleted label

added 1 deleted label and removed 1 deleted label

closed