Hi,

Is the master branch on Github supposed to pass all tests? I get one
error and two failed tests:

======================================================================
ERROR: Ensures that checks return valid sparse matrices.
----------------------------------------------------------------------
Traceback (most recent call last):
  File
"/vol/vipdata/users/mpr06/anaconda/lib/python2.7/site-packages/nose/case.py",
line 197, in runTest
    self.test(*self.arg)
  File
"/vol/vipdata/users/mpr06/sklearn-dev/anaconda/0.15dev/scikit-learn/sklearn/metrics/tests/test_pairwise.py",
line 429, in test_check_sparse_arrays
    assert_true(XA_sparse == XB_checked)
  File
"/vol/vipdata/users/mpr06/anaconda/lib/python2.7/unittest/case.py", line
422, in assertTrue
    if not expr:
  File
"/vol/vipdata/users/mpr06/anaconda/lib/python2.7/site-packages/scipy/sparse/base.py",
line 183, in __bool__
    raise ValueError("The truth value of an array with more than one "
ValueError: The truth value of an array with more than one element is
ambiguous. Use a.any() or a.all().

======================================================================
FAIL: sklearn.feature_extraction.tests.test_image.test_connect_regions
----------------------------------------------------------------------
Traceback (most recent call last):
  File
"/vol/vipdata/users/mpr06/anaconda/lib/python2.7/site-packages/nose/case.py",
line 197, in runTest
    self.test(*self.arg)
  File
"/vol/vipdata/users/mpr06/sklearn-dev/anaconda/0.15dev/scikit-learn/sklearn/feature_extraction/tests/test_image.py",
line 63, in test_connect_regions
    assert_equal(ndimage.label(mask)[1], connected_components(graph)[0])
AssertionError: 777 != 767
    '777 != 767' = '%s != %s' % (safe_repr(777), safe_repr(767))
    '777 != 767' = self._formatMessage('777 != 767', '777 != 767')
>>  raise self.failureException('777 != 767')


======================================================================
FAIL:
sklearn.feature_extraction.tests.test_image.test_connect_regions_with_grid
----------------------------------------------------------------------
Traceback (most recent call last):
  File
"/vol/vipdata/users/mpr06/anaconda/lib/python2.7/site-packages/nose/case.py",
line 197, in runTest
    self.test(*self.arg)
  File
"/vol/vipdata/users/mpr06/sklearn-dev/anaconda/0.15dev/scikit-learn/sklearn/feature_extraction/tests/test_image.py",
line 70, in test_connect_regions_with_grid
    assert_equal(ndimage.label(mask)[1], connected_components(graph)[0])
AssertionError: 777 != 767
    '777 != 767' = '%s != %s' % (safe_repr(777), safe_repr(767))
    '777 != 767' = self._formatMessage('777 != 767', '777 != 767')
>>  raise self.failureException('777 != 767')


Thanks,
Michal

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