diff --git a/spateo/plotting/static/contour.py b/spateo/plotting/static/contour.py
index 54272253..b77e23e3 100644
--- a/spateo/plotting/static/contour.py
+++ b/spateo/plotting/static/contour.py
@@ -65,4 +65,4 @@ def spatial_domains(
     fig.set_size_inches(plot_size[0], plot_size[1])
     plt.imshow(contour_img, cmap="tab20", origin="lower")
 
-    write_png(save_img, contour_img.astype("uint8"))
\ No newline at end of file
+    write_png(save_img, contour_img.astype("uint8"))