dont look for circle_branch when building on tags
dont look for circle_branch when building on tags

jasonthomas/tls-observatory,jasonthomas/tls-observatory,mozilla/tls-observatory,jasonthomas/tls-observatory,mozilla/tls-observatory,jasonthomas/tls-observatory,mozilla/tls-observatory,jasonthomas/tls-observatory,mozilla/TLS-Observer,mozilla/tls-observatory,mozilla/tls-observatory