Add ansible to pip requirements
Add ansible to pip requirements

Signed-off-by: Zack Cerza <d7cdf09fc0f0426e98c9978ee42da5d61fa54986@redhat.com>

dreamhost/teuthology,ktdreyer/teuthology,ceph/teuthology,michaelsevilla/teuthology,ceph/teuthology,zhouyuan/teuthology,t-miyamae/teuthology,zhouyuan/teuthology,michaelsevilla/teuthology,robbat2/teuthology,robbat2/teuthology,ivotron/teuthology,caibo2014/teuthology,t-miyamae/teuthology,SUSE/teuthology,SUSE/teuthology,SUSE/teuthology,ktdreyer/teuthology,caibo2014/teuthology,dmick/teuthology,ivotron/teuthology,dreamhost/teuthology,dmick/teuthology,dmick/teuthology