rtype does not need top be a traitlet
rtype does not need top be a traitlet

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