Fix matplotlib's 3.4 issue with one value in where argument in fill_between call
Fix matplotlib's 3.4 issue with one value in where argument in fill_between call

h2oai/h2o-3,h2oai/h2o-3,h2oai/h2o-3,h2oai/h2o-3,h2oai/h2o-3,h2oai/h2o-3,h2oai/h2o-3,h2oai/h2o-3