diff --git a/python/raytracing/test.py b/python/raytracing/test.py
index 8892fbe5..1edabbfa 100644
--- a/python/raytracing/test.py
+++ b/python/raytracing/test.py
@@ -3,6 +3,9 @@
 
 from snappy import raytracing
 import snappy.raytracing.geodesic_tube_info
+import snappy.raytracing.geodesics
+import snappy.raytracing.ideal_raytracing_data
+import snappy.raytracing.upper_halfspace_utilities
 
 modules = [
     raytracing.cohomology_fractal,