prevent panzoom bouncing of min and max
prevent panzoom bouncing of min and max

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