diff --git a/examples/plot_rz_slices_ring_source.py b/examples/plot_rz_slices_ring_source.py
index 34c1391..e51daf7 100644
--- a/examples/plot_rz_slices_ring_source.py
+++ b/examples/plot_rz_slices_ring_source.py
@@ -75,7 +75,7 @@
         outline=True,
         norm=LogNorm(),
         slice_index=slice_index,
-        mirror=True
+        mirror=True,
     )
     plot.figure.savefig(f"rz_ring_source_reflected_{slice_index}.png")
 
@@ -87,4 +87,3 @@
         slice_index=slice_index,
     )
     plot.figure.savefig(f"rz_ring_source_{slice_index}.png")
-
diff --git a/src/openmc_cylindrical_mesh_plotter/core.py b/src/openmc_cylindrical_mesh_plotter/core.py
index 6e53ec8..1b04d09 100644
--- a/src/openmc_cylindrical_mesh_plotter/core.py
+++ b/src/openmc_cylindrical_mesh_plotter/core.py
@@ -254,7 +254,7 @@ def plot_mesh_tally_rz_slice(
             score,
             slice_index,
         )
-    
+
     if mirror:
         data_reflected = np.fliplr(data)
         data = np.concatenate((data_reflected, data), axis=1)
@@ -309,7 +309,7 @@ def plot_mesh_tally_rz_slice(
         # Combine R, G, B values into a single int
         rgb = (img * 256).astype(int)
         image_value = (rgb[..., 0] << 16) + (rgb[..., 1] << 8) + (rgb[..., 2])
-        
+
         if mirror:
             image_value_reflected = np.fliplr(image_value)
             image_value = np.concatenate((image_value_reflected, image_value), axis=1)