scikit-learn/scikit-learn — pull request #1357 by mbatchkarov (2012-11-12 17:49:37+00:00)
Title: fixed the __repr__ method of cross_validation.Bootstrap

which failed if `self.random_state is None` with the following error:

`File "./scikit-learn/sklearn/cross_validation.py", line 700, in __repr__
self.random_state,
TypeError: %d format: a number is required, not NoneType
``