======================================================================
FAIL: test_wrightomega.test_wrightomega_inf_branch
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/travis/virtualenv/python3.5.2/lib/python3.5/site-packages/numpy/testing/utils.py", line 368, in assert_equal
    assert_equal(actuali, desiredi)
  File "/home/travis/virtualenv/python3.5.2/lib/python3.5/site-packages/numpy/testing/utils.py", line 393, in assert_equal
    raise AssertionError(msg)
AssertionError: 
Items are not equal:
 ACTUAL: -0.0
 DESIRED: 0

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/travis/virtualenv/python3.5.2/lib/python3.5/site-packages/nose/case.py", line 198, in runTest
    self.test(*self.arg)
  File "/home/travis/virtualenv/python3.5.2/lib/python3.5/site-packages/scipy/special/tests/test_wrightomega.py", line 26, in test_wrightomega_inf_branch
    assert_equal(res, 0)
  File "/home/travis/virtualenv/python3.5.2/lib/python3.5/site-packages/numpy/testing/utils.py", line 370, in assert_equal
    raise AssertionError(msg)
AssertionError: 
Items are not equal:
 ACTUAL: -0j
 DESIRED: 0

----------------------------------------------------------------------
Ran 24211 tests in 515.918s

FAILED (KNOWNFAIL=91, SKIP=1881, failures=1)