When I run: nosetests sklearn --exe

I get:
......../System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/numpy/lib/utils.py:1132:
DeprecationWarning: The compiler package is deprecated and removed in
Python 3.x.

 import compiler

............S........................................../Library/Python/2.7/site-packages/sklearn/manifold/spectral_embedding.py:225:
UserWarning: Graph is not fully connected, spectral embedding may not works
as expected.

 warnings.warn("Graph is not fully connected, spectral embedding"

...........SS....../Library/Python/2.7/site-packages/sklearn/datasets/tests/test_base.py:124:
UserWarning: Could not load sample images, PIL is not available.

 warnings.warn("Could not load sample images, PIL is not available.")

.../Library/Python/2.7/site-packages/sklearn/datasets/tests/test_base.py:145:
UserWarning: Could not load sample images, PIL is not available.

 warnings.warn("Could not load sample images, PIL is not available.")

./Library/Python/2.7/site-packages/sklearn/datasets/tests/test_base.py:161:
UserWarning: Could not load sample images, PIL is not available.

 warnings.warn("Could not load sample images, PIL is not available.")

.....SS................................................S.........................................................S.........................................SSS....................../Library/Python/2.7/site-packages/sklearn/externals/joblib/test/test_func_inspect.py:122:
UserWarning: Cannot inspect object <functools.partial object at
0x10a956998>, ignore list will not work.

 nose.tools.assert_equal(filter_args(ff, ['y'], (1, )),

...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................FF.......................................................................................S........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................SSS....S....S...................................................................................................................................

======================================================================

FAIL: sklearn.feature_extraction.tests.test_image.test_connect_regions

----------------------------------------------------------------------

Traceback (most recent call last):

 File "/Library/Python/2.7/site-packages/nose/case.py", line 197, in runTest

   self.test(*self.arg)

 File
"/Library/Python/2.7/site-packages/sklearn/feature_extraction/tests/test_image.py",
line 63, in test_connect_regions

   assert_equal(ndimage.label(mask)[1], cs_graph_components(graph)[0])

AssertionError: 777 != 767


======================================================================

FAIL:
sklearn.feature_extraction.tests.test_image.test_connect_regions_with_grid

----------------------------------------------------------------------

Traceback (most recent call last):

 File "/Library/Python/2.7/site-packages/nose/case.py", line 197, in runTest

   self.test(*self.arg)

 File
"/Library/Python/2.7/site-packages/sklearn/feature_extraction/tests/test_image.py",
line 70, in test_connect_regions_with_grid

   assert_equal(ndimage.label(mask)[1], cs_graph_components(graph)[0])

AssertionError: 777 != 767


----------------------------------------------------------------------

Ran 1598 tests in 57.619s


FAILED (SKIP=16, failures=2)



I don't know what is going on here? Any help? Besides this, I've installed
Scikit-learn without any issues on my OSX (10.8.3)
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