fix(travis): uses python 3.6.3 in deploy step
fix(travis): uses python 3.6.3 in deploy step

onshape-public/onshape-clients,onshape-public/onshape-clients,onshape-public/onshape-clients,onshape-public/onshape-clients,onshape-public/onshape-clients,onshape-public/onshape-clients