diff --git a/tests/test_visualisation.py b/tests/test_visualisation.py
index 625b69d6..fd3fdc07 100644
--- a/tests/test_visualisation.py
+++ b/tests/test_visualisation.py
@@ -330,6 +330,7 @@ def test_render_outside_region():
 
     volume_render.scatter_parallel(x, y, z, m, h, resolution, 1.0, 1.0, 1.0)
 
+
 # TODO: Figure out why this is failing
 # @requires("cosmological_volume.hdf5")
 # def test_comoving_versus_physical(filename):