scikit-learn/scikit-learn — pull request #1991 by robertlayton (2013-05-23 03:20:13+00:00)
Title: MRG: Minimal spanning tree (backport from scipy 0.13)

Backported (with test) so that I can use it in PR1830.

I don't believe docs etc are needed for this type of PR, but let me know if they are.