diff --git a/src/surface/gui/package.xml b/src/surface/gui/package.xml
index f552a2dc..c455beb7 100644
--- a/src/surface/gui/package.xml
+++ b/src/surface/gui/package.xml
@@ -17,6 +17,7 @@
   <exec_depend>rov_msgs</exec_depend>
   <exec_depend>cv_bridge</exec_depend>
 
+  <!-- Fix weird mypy import error -->
   <test_depend>python3-numpy<test_depend>
 
   <depend>mavros</depend>