import manquant.

diff --git a/blobbases.py b/blobbases.py
index 2123d75..964ffe3 100755 (executable)
--- a/blobbases.py
+++ b/blobbases.py
@@ -20,6 +20,7 @@ from cgi import escape
 from cStringIO import StringIO
 from mimetools import choose_boundary
 import struct
+from warnings import warn
 
 from AccessControl.Permissions import change_images_and_files
 from AccessControl.Permissions import view_management_screens