Raised value error on incorrect na_option#22037

Merged

TomAugspurger merged 2 commits intopandas-dev:masterfrom

raguiar2:ra--add-value-error-to-rank

Jul 25, 2018

Commits on Jul 24, 2018

added value error on incorrect na_option
raguiar2
committed

Commits on Jul 25, 2018

added test cases
raguiar2
committed