
Traceback (most recent call last):


 "/home/travis/virtualenv/python2.7_with_system_site_packages/local/lib/python2.7/site-packages/pip/basecommand.py", line 232, in main

status = self.run(options, args)


 "/home/travis/virtualenv/python2.7_with_system_site_packages/local/lib/python2.7/site-packages/pip/commands/install.py", line 339, in run

requirement_set.prepare_files(finder)


 "/home/travis/virtualenv/python2.7_with_system_site_packages/local/lib/python2.7/site-packages/pip/req/req_set.py", line 436, in prepare_files

req_to_install.extras):


 "/home/travis/virtualenv/python2.7_with_system_site_packages/local/lib/python2.7/site-packages/pip/_vendor/pkg_resources/__init__.py", line 2496, in requires

dm = self._dep_map


 "/home/travis/virtualenv/python2.7_with_system_site_packages/local/lib/python2.7/site-packages/pip/_vendor/pkg_resources/__init__.py", line 2697, in _dep_map

self.__dep_map = self._compute_dependencies()


 "/home/travis/virtualenv/python2.7_with_system_site_packages/local/lib/python2.7/site-packages/pip/_vendor/pkg_resources/__init__.py", line 2730, in _compute_dependencies

common = frozenset(reqs_for_extra(None))


 "/home/travis/virtualenv/python2.7_with_system_site_packages/local/lib/python2.7/site-packages/pip/_vendor/pkg_resources/__init__.py", line 2727, in reqs_for_extra

if req.marker_fn(override={'extra':extra}):


 "/home/travis/virtualenv/python2.7_with_system_site_packages/local/lib/python2.7/site-packages/pip/_vendor/_markerlib/markers.py", line 113, in marker_fn

return eval(compiled_marker, environment)


 "<environment marker>", line 1, in <module>

NameError: name 'platform_system' is not defined


Traceback (most recent call last):

 "/usr/lib/python2.6/doctest.py", line 1253, in __run
compileflags, 1) in test.globs

 "<doctest sklearn.linear_model.coordinate_descent.LassoCV.path[2]>", line 1, in <module>
_, coef_path, _ = lasso_path(X, y, alphas=[5., 1., .5],
NameError: name 'lasso_path' is not defined