ColumnTransformer generalization to work on empty lists #12084

Merged

rth merged 9 commits intoscikit-learn:masterfrom

janvanrijn:fix_#12071

Sep 25, 2018

Commits on Sep 14, 2018

added solution by Joris and testcases
janvanrijn
committed

Commits on Sep 17, 2018

incorporated comments by Roman and Joel
janvanrijn
committed

Commits on Sep 19, 2018

fix pep8 problems
janvanrijn
committed

Commits on Sep 21, 2018