diff -r e77aa963fb19 -r 0c7b7b76a84f web/views/idownloadable.py
--- a/web/views/idownloadable.py	Fri Jul 02 19:14:48 2010 +0200
+++ b/web/views/idownloadable.py	Mon Jul 05 12:04:32 2010 +0200
@@ -23,7 +23,7 @@
 from logilab.mtconverter import BINARY_ENCODINGS, TransformError, xml_escape
 
 from cubicweb.view import EntityView
-from cubicweb.selectors import (one_line_rset, implements, match_context_prop,
+from cubicweb.selectors import (one_line_rset, is_instance, match_context_prop,
                                 adaptable, has_mimetype)
 from cubicweb.mttransforms import ENGINE
 from cubicweb.web import box, httpcache