[MRG+1] EHN/DOC Make error msg more informative in Pipeline#8865

Merged

jnothman merged 5 commits intoscikit-learn:masterfrom

glemaitre:error_pipeline

May 17, 2017

Commits on May 11, 2017

EHN/DOC Make error msg more informative in Pipeline
glemaitre
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Commits on May 12, 2017

FIX python 2.7 error
glemaitre
committed

Commits on May 16, 2017

Commits on May 17, 2017

TST test memory error in randomized_l1
glemaitre
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