scikit-learn/scikit-learn — pull request #1210 by amueller (2012-10-06 19:43:15+00:00)
Title: MRG remove unreachable code from grid_search, test unsupervised setting

This significantly increases test-coverage.
Motivated by comments on my randomized search PR.

We should try to get 100% test coverage here. This is really the core of sklearn.