I can use numpy on my machine without problems. But after running numpy.test('full') I got the following errors. Should I be concerned that something is actually wrong silently in my previous numpy calculations?
opt/anaconda3/lib/python3.7/site-packages/numpy/random/tests/test_generator_mt19937.py:1214: AssertionError
============================================================== warnings summary ==============================================================
opt/anaconda3/lib/python3.7/site-packages/numpy/fft/tests/test_fft.py::TestFFT1D::test_dtype
/Users/zhfu/opt/anaconda3/lib/python3.7/site-packages/numpy/fft/tests/test_fft.py:51: ComplexWarning: Casting complex values to real discards the imaginary part
a = a.astype(t1)
-- Docs: https://docs.pytest.org/en/latest/warnings.html
1 failed, 9028 passed, 555 skipped, 18 xfailed, 3 xpassed, 1 warning in 287.18s (0:04:47)