There is bug in requests package versions. Current version 1.2.3 is stable. According to pypi, eggs of versions 1.2.1, 1.2.2 are broken. Please fix it im cinder requirements -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20130722/6baee42d/attachment.html>