Updated openstack/openstack
Project: openstack/requirements  37404dc3ae56ab021da220b38242bba6fc44c47d

Upgrade to avoid vulnerable requests-kerberos versions

All versions of requests-kerberos prior to 0.6 do not properly handle
mutual authentication. In short this means that the server was never
properly verified and a client could potentially send sensitive data to
an untrusted server.

Change-Id: I1e9a3b1af15e69ae5c155a146638774cf472ef33