Use devel version of LP API.

For consistency use development version of the LP API in the scripts
that query the Launchpad API.

Change-Id: I39b145684563738dd5615d863720ec364c4987c3
Reviewed-on: https://review.openstack.org/11508
Reviewed-by: linuxjedi <andrew@linuxjedi.co.uk>
Approved: Monty Taylor <mordred@inaugust.com>
Reviewed-by: Monty Taylor <mordred@inaugust.com>
Tested-by: Jenkins
diff --git a/update_cla_group.py b/update_cla_group.py
index d418cf0..615b256 100755
--- a/update_cla_group.py
+++ b/update_cla_group.py
@@ -47,7 +47,8 @@
 
 launchpad = Launchpad.login_with('CLA Team Sync', LPNET_SERVICE_ROOT,
                                  LP_CACHE_DIR,
-                                 credentials_file = LP_CREDENTIALS)
+                                 credentials_file = LP_CREDENTIALS,
+                                 version='devel')
 
 lp_members = []