Fixing Travis CI build.
Fixing Travis CI build.

hjeeves/cadc-vosui,hjeeves/cadc-vosui,opencadc/vosui,opencadc/cadc-vosui,hjeeves/cadc-vosui,opencadc/vosui,opencadc/vosui,opencadc/vosui,opencadc/cadc-vosui,hjeeves/cadc-vosui,opencadc/cadc-vosui,opencadc/cadc-vosui