def test_rhs_shape():
''' Validate that the shape of the rhs method return value
'''
a = Attractor()
xyz = np.array([0.0, 0.0, 0.0])
assert a.rhs(xyz).shape == (
3, ), "\n the shape of the array that was returned is not 3 \n"
def test_rhs_shape():
''' Validate that the shape of the rhs method return value
'''
a = Attractor()
xyz = np.array([0.0, 0.0, 0.0])
assert a.rhs(xyz).shape == (3, ), "\n the shape of the array that was returned is not 3 \n"
