diff --git a/openmc_dagmc_wrapper/neutronics_model.py b/openmc_dagmc_wrapper/neutronics_model.py
index c991bdd..c365f09 100644
--- a/openmc_dagmc_wrapper/neutronics_model.py
+++ b/openmc_dagmc_wrapper/neutronics_model.py
@@ -880,7 +880,6 @@ def simulate(
                 )
                 raise FileNotFoundError(msg)
 
-
         # Deletes summary.h5m if it already exists.
         # This avoids permission problems when trying to overwrite the file
         silently_remove_file("summary.h5")
diff --git a/openmc_dagmc_wrapper/utils.py b/openmc_dagmc_wrapper/utils.py
index 7a94f4a..22848b6 100644
--- a/openmc_dagmc_wrapper/utils.py
+++ b/openmc_dagmc_wrapper/utils.py
@@ -338,13 +338,14 @@ def get_neutronics_results_from_statepoint_file(
 
     return results
 
-#to do find particles from tally
+# to do find particles from tally
 # def find_particle_from_tally(tally):
 #     for filter in talliy.filters:
 #         if isinstance(filter, openmc.ParticleFilter):
 #             return filter.bins[0]
 #     return None
 
+
 def write_3d_mesh_tally_to_vtk(
     xs: np.linspace,
     ys: np.linspace,
diff --git a/tests/test_neutronics_model.py b/tests/test_neutronics_model.py
index 5457984..c2c25e2 100644
--- a/tests/test_neutronics_model.py
+++ b/tests/test_neutronics_model.py
@@ -589,7 +589,8 @@ def test_cell_tallies_simulation_fast_flux(self):
             float,
         )
 
-        assert my_model.results["mat1_flux"]["flux per source particle"]["result"] > my_model.results["mat1_neutron_fast_flux"]["fast flux per source particle"]["result"]
+        assert my_model.results["mat1_flux"]["flux per source particle"]["result"] > my_model.results[
+            "mat1_neutron_fast_flux"]["fast flux per source particle"]["result"]
 
     def test_cell_tallies_simulation_effective_dose(self):
         """Performs simulation with h5m file and tallies neutron and photon