diff --git a/tests/unit_tests/test_depletion.py b/tests/unit_tests/test_depletion.py
index a5aa602..0c083fc 100644
--- a/tests/unit_tests/test_depletion.py
+++ b/tests/unit_tests/test_depletion.py
@@ -67,11 +67,11 @@ def test_update_materials(self):
             openmc.material.NuclideTuple('U235', 0.05, 'wo'),
             openmc.material.NuclideTuple('U238', 0.95, 'wo')]
         assert materials[1].nuclides == [
-            openmc.material.NuclideTuple('Cs137', 0.1, 'wo'), 
-            openmc.material.NuclideTuple('Kr85', 0.80, 'wo'), 
+            openmc.material.NuclideTuple('Cs137', 0.1, 'wo'),
+            openmc.material.NuclideTuple('Kr85', 0.80, 'wo'),
             openmc.material.NuclideTuple('Xe135', 0.10, 'wo')]
         assert materials[2].nuclides == [
-            openmc.material.NuclideTuple('Pu239', 0.10, 'wo'), 
+            openmc.material.NuclideTuple('Pu239', 0.10, 'wo'),
             openmc.material.NuclideTuple('Pu241', 0.90, 'wo')]
         assert material_ids == [5, 6, 7]
 
@@ -97,5 +97,7 @@ def test_get_spent_comps(self):
         assert 551370000 in spent_comps[0].keys()
         assert 922350000 in spent_comps[0].keys()
         assert 932410000 not in spent_comps[0].keys()
-        assert spent_comps[0][922350000] == pytest.approx(10.650004036820036, rel=1e-5)
-        assert spent_comps[0][942390000] == pytest.approx(0.22663550016678385, rel=1e-5)
+        assert spent_comps[0][922350000] == pytest.approx(
+            10.650004036820036, rel=1e-5)
+        assert spent_comps[0][942390000] == pytest.approx(
+            0.22663550016678385, rel=1e-5)