def test_is_nan_with_numpy(self): # known to cause problems historically: try: import numpy self.assertFalse(is_nan(numpy.array([1, 2, 3]))) except ImportError: raise SkipTest('No numpy')
def test_is_nan(self): self.assertTrue(is_nan(float('nan'))) self.assertFalse(is_nan(23.3)) self.assertFalse(is_nan(23))