def METHOD_NAME(self):
    angles = numpy.linspace(0, numpy.pi / 2, 10)
    pty = numpy.sin(angles) * 20 + 10
    ptx = numpy.cos(angles) * 20 + 10
    ellipse = ellipse_mdl.fit_ellipse(pty, ptx)
    self.assertAlmostEqual(ellipse.center_1, 10)
    self.assertAlmostEqual(ellipse.center_2, 10)
    self.assertAlmostEqual(ellipse.half_long_axis, 20)
    self.assertAlmostEqual(ellipse.half_short_axis, 20)