Make Travis run js tests in python 3.7
Make Travis run js tests in python 3.7
ChakriCherukuri/bqplot,bloomberg/bqplot,SylvainCorlay/bqplot,dmadeka/bqplot,SylvainCorlay/bqplot,dmadeka/bqplot,bloomberg/bqplot,ChakriCherukuri/bqplot,bloomberg/bqplot,ChakriCherukuri/bqplot,SylvainCorlay/bqplot