Resolve "ICHAN type"

Closes #6 (closed)

km3buu/tests/test_output.py

@@ -73,6 +73,9 @@ class TestGiBUUOutput(unittest.TestCase):
         assert self.output.Z == 8
         assert self.output.A == 16
 
+    def test_flux_index(self):
+        assert np.isclose(self.output.flux_index, -0.904, rtol=1e-3)
+
     def test_w2weights(self):
         w2 = self.output.w2weights(123.0, 2.6e28, 4 * np.pi)
         np.testing.assert_array_almost_equal(