change to arrow functions
change to arrow functions

SylvainCorlay/bqplot,ChakriCherukuri/bqplot,bloomberg/bqplot,ChakriCherukuri/bqplot,dmadeka/bqplot,SylvainCorlay/bqplot,bloomberg/bqplot,SylvainCorlay/bqplot,bloomberg/bqplot,dmadeka/bqplot,ChakriCherukuri/bqplot