[MRG+1] Ensure coef_ is an ndarray when fitting LassoLars#8160

Merged

jnothman merged 4 commits intoscikit-learn:masterfrom

perimosocordiae:fix-coef-list

Jan 18, 2017

Commits on Jan 5, 2017

Fix gh-1615: ensure self.coef_ is an ndarray
perimosocordiae
committed

Commits on Jan 6, 2017

Adding regression test
perimosocordiae
committed

Commits on Jan 16, 2017

Avoid intermediate list of arrays
perimosocordiae
committed

Commits on Jan 17, 2017

adding changelog entry
perimosocordiae
committed