Thank you @gigasquid and @vrakesh It is indeed an Apple issue and the trick on stackoverflow.com seems to have worked.
However, to ascertain, do you have this test fail ? nosetests tests/python/unittest/test_operator.py:test_dot /anaconda3/lib/python3.6/site-packages/h5py/__init__.py:36: FutureWarning: Conversion of the second argument of issubdtype from `float` to `np.floating` is deprecated. In future, it will be treated as `np.float64 == np.dtype(float).type`. from ._conv import register_converters as _register_converters objc[92988]: Class CaptureDelegate is implemented in both /usr/local/opt/opencv/lib/libopencv_videoio.3.4.dylib (0x10cf78288) and /anaconda3/lib/python3.6/site-packages/cv2/cv2.cpython-36m-darwin.so (0x1a1f6a72c0). One of the two will be used. Which one is undefined. [INFO] Setting module np/mx/python random seeds, use MXNET_MODULE_SEED=663137163 to reproduce. [INFO] Setting test np/mx/python random seeds, use MXNET_TEST_SEED=691337631 to reproduce. F ====================================================================== FAIL: test_operator.test_dot ---------------------------------------------------------------------- Traceback (most recent call last): File "/anaconda3/lib/python3.6/site-packages/nose/case.py", line 197, in runTest self.test(*self.arg) File "/Users/dRoberts/workspace/incubator-mxnet/tests/python/unittest/common.py", line 172, in test_new orig_test(*args, **kwargs) File "/Users/dRoberts/workspace/incubator-mxnet/tests/python/unittest/test_operator.py", line 2641, in test_dot atol=1e-2 if data_type == 'float16' else 1e-3) File "/Users/dRoberts/workspace/incubator-mxnet/python/mxnet/test_utils.py", line 491, in assert_almost_equal raise AssertionError(msg) AssertionError: Items are not equal: Error 89.639374 exceeds tolerance rtol=0.001000, atol=0.001000. Location of maximum error:(0, 0), a=-0.089639, b=0.000000 a: array([[-0.08963938]], dtype=float32) b: array([[0.]], dtype=float32) -------------------- >> begin captured logging << -------------------- common: INFO: Setting module np/mx/python random seeds, use MXNET_MODULE_SEED=663137163 to reproduce. common: INFO: Setting test np/mx/python random seeds, use MXNET_TEST_SEED=691337631 to reproduce. --------------------- >> end captured logging << --------------------- ---------------------------------------------------------------------- Ran 1 test in 0.115s FAILED (failures=1) [ Full content available at: https://github.com/apache/incubator-mxnet/issues/12727 ] This message was relayed via gitbox.apache.org for devnull@infra.apache.org