To handle non-actionable steps in sklearn#866

Merged

mfeurer merged 7 commits intodevelopfrom

Nov 18, 2019

Commits on Nov 6, 2019

Initial changes to handle reproducible example from the issue
Neeratyoy
committed

Commits on Nov 12, 2019

Commits on Nov 13, 2019

Commits on Nov 15, 2019

Dropping support for 'None' as sklearn estimator
Neeratyoy
committed

Commits on Nov 18, 2019

Adding test case for None estimator
Neeratyoy
committed