pytest unit test fails for test_neighbour_search_opencl.py

[mwibral]

With a fresh install of IDTxl on: Ubuntu 16.04.5 AMD Carrizo APU amdgpu-pro 18.30 I get the following failure when running the pytests:

================================================================ FAILURES ================================================================ ____ test_random_data ____

def test_random_data():
    """Smoke kNN test with big random dataset."""
    n_points = 1000
    n_dims = 5
    pointset1 = np.random.randn(n_points, n_dims).astype('float32')
    pointset2 = pointset1

    # Call MI estimator
    mi, dist1, npoints_x, npoints_y = EST_MI.estimate(
        pointset1, pointset2, n_chunks=1)
    # Call CMI estimator with pointset2 as conditional (otherwise the MI
    # estimator is called internally and the CMI estimator is never tested).
    cmi, dist2, npoints_x, npoints_y, npoints_c = EST_CMI.estimate(
        pointset1, pointset2, pointset2, n_chunks=1)

  assert np.all(np.isclose(dist1, dist2)), (

'High- and low-level calls returned different distances.') E AssertionError: High- and low-level calls returned different distances. E assert False E + where False = <function all at 0x7f411888cf28>(array([ True, True, True, ..., True, True, True])) E + where <function all at 0x7f411888cf28> = np.all E + and array([ True, True, True, ..., True, True, True]) = <function isclose at 0x7f41188781e0>(array([0.58077002, 0.91198087, 0.26068008, ..., 0.0625 , 0.0625 ,\n 0.0625 ]), array([0.58077002, 0.91198087, 0.26068008, ..., 0.0625 , 0.0625 ,\n 0.0625 ])) E + where <function isclose at 0x7f41188781e0> = np.isclose

test_neighbour_search_opencl.py:157: AssertionError

[pwollstadt]

I could not replicate this. Does this problem persist? I would close this issue. Please reopen if the problem occurs again.