modelviz: make the LinexComparator more robust by getting the model from a non-nullab...

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/src/model/model_viz.nit b/src/model/model_viz.nit
index 9735136..06f2fb6 100644 (file)
--- a/src/model/model_viz.nit
+++ b/src/model/model_viz.nit
@@ -85,7 +85,7 @@ private class LinexComparator
                var subs = tree.sub[o]
                var minres = mini(subs.first)
                var maxres = maxi(subs.first)
-               var order = minres.model.mmodule_importation_hierarchy
+               var order = o.model.mmodule_importation_hierarchy
                for o2 in subs do
                        var c = mini(o2)
                        if c == null then continue