Fix big Binder link
Fix big Binder link

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