Brush Selector fix
Brush Selector fix

bloomberg/bqplot,dmadeka/bqplot,SylvainCorlay/bqplot,SylvainCorlay/bqplot,ChakriCherukuri/bqplot,ssunkara1/bqplot,ChakriCherukuri/bqplot,ChakriCherukuri/bqplot,bloomberg/bqplot,ssunkara1/bqplot,bloomberg/bqplot,dmadeka/bqplot,SylvainCorlay/bqplot