def test_io(self, tmpdir):
self.fit_result.to_yaml(tmpdir / 'test.yaml')
read_result = SpectrumFitResult.from_yaml(tmpdir / 'test.yaml')
test_e = 12.5 * u.TeV
assert_quantity_allclose(self.fit_result.model(test_e),
read_result.model(test_e))
