Hi scikit-learn experts,
I'm just starting out with scikit-learn, and I was wondering
if anyone was familiar with the following failed tests from nose.
It seems to be related to images, and my environment is Mac OS X 10.7.
I appreciate any insight you can give!
Thank you,
Harold
$ nosetests sklearn --exe
....................S........................................../usr/local/lib/python2.7/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.........F.....SE................................................S.........................................................S.........................................SSS....................../usr/local/lib/python2.7/site-packages/sklearn/externals/joblib/test/test_func_inspect.py:122:
UserWarning: Cannot inspect object <functools.partial object at 0x112a4f6d8>,
ignore list will not work.
nose.tools.assert_equal(filter_args(ff, ['y'], (1, )),
...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................FF.......................................................................................S........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................SSS....S....S...................................................................................................................................
======================================================================
ERROR: test suite for <module 'sklearn.datasets.tests.test_lfw' from
'/usr/local/lib/python2.7/site-packages/sklearn/datasets/tests/test_lfw.pyc'>
----------------------------------------------------------------------
Traceback (most recent call last):
File "/Library/Python/2.7/site-packages/nose-1.3.0-py2.7.egg/nose/suite.py",
line 208, in run
self.setUp()
File "/Library/Python/2.7/site-packages/nose-1.3.0-py2.7.egg/nose/suite.py",
line 291, in setUp
self.setupContext(ancestor)
File "/Library/Python/2.7/site-packages/nose-1.3.0-py2.7.egg/nose/suite.py",
line 314, in setupContext
try_run(context, names)
File "/Library/Python/2.7/site-packages/nose-1.3.0-py2.7.egg/nose/util.py",
line 469, in try_run
return func()
File
"/usr/local/lib/python2.7/site-packages/sklearn/datasets/tests/test_lfw.py",
line 72, in setup_module
imsave(file_path, uniface)
File "/Users/admin/src/scipy/scipy/misc/pilutil.py", line 160, in imsave
im.save(name)
File "/usr/local/lib/python2.7/site-packages/PIL/Image.py", line 1439, in save
save_handler(self, fp, filename)
File "/usr/local/lib/python2.7/site-packages/PIL/JpegImagePlugin.py", line
471, in _save
ImageFile._save(im, fp, [("jpeg", (0,0)+im.size, 0, rawmode)])
File "/usr/local/lib/python2.7/site-packages/PIL/ImageFile.py", line 495, in
_save
e = Image._getencoder(im.mode, e, a, im.encoderconfig)
File "/usr/local/lib/python2.7/site-packages/PIL/Image.py", line 401, in
_getencoder
raise IOError("encoder %s not available" % encoder_name)
IOError: encoder jpeg not available
======================================================================
FAIL: sklearn.datasets.tests.test_base.test_load_sample_image
----------------------------------------------------------------------
Traceback (most recent call last):
File "/Library/Python/2.7/site-packages/nose-1.3.0-py2.7.egg/nose/case.py",
line 197, in runTest
self.test(*self.arg)
File
"/usr/local/lib/python2.7/site-packages/sklearn/datasets/tests/test_base.py",
line 142, in test_load_sample_image
assert_equal(china.dtype, 'uint8')
AssertionError: dtype('O') != 'uint8'
======================================================================
FAIL: sklearn.feature_extraction.tests.test_image.test_connect_regions
----------------------------------------------------------------------
Traceback (most recent call last):
File "/Library/Python/2.7/site-packages/nose-1.3.0-py2.7.egg/nose/case.py",
line 197, in runTest
self.test(*self.arg)
File
"/usr/local/lib/python2.7/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-1.3.0-py2.7.egg/nose/case.py",
line 197, in runTest
self.test(*self.arg)
File
"/usr/local/lib/python2.7/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 77.910s
FAILED (SKIP=15, errors=1, failures=3)
------------------------------------------------------------------------------
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