#7530 fix merging defaults options (#7533)
#7530 fix merging defaults options (#7533)


twosigma/beakerx,twosigma/beakerx,twosigma/beakerx,twosigma/beakerx,twosigma/beakerx,twosigma/beaker-notebook,twosigma/beaker-notebook,twosigma/beaker-notebook,twosigma/beakerx,twosigma/beaker-notebook,twosigma/beaker-notebook