Fix selector in analytic structure table

--HG-- branch : 16.0

models/analytic_structure.py

@@ -65,21 +65,12 @@ class AnalyticStructure(models.Model):
     @tools.ormcache()
     def _get_model_name(self):
         """Looks up the list of model names"""
-        model_names = set()
-        for model in self._get_models_with_analytic():
-            analytic = model._analytic
-            if analytic is True:
-                model_names.add((model._name.replace(".", "_"), model._name))
-            elif isinstance(analytic, str):
-                model_names.add((analytic, model._name))
-            else:
-                # Expecting analytic to be a dict
-                model_names.update(
-                    (value, "%s (%s)" % (model._name, value))
-                    for value in analytic.values()
-                )
-
-        return list(model_names)
+        return [
+            (analytic_name, analytic_name)
+            for analytic_name in sorted(
+                set(model._analytic_name for model in self._get_models_with_analytic())
+            )
+        ]
 
     model_name = fields.Selection(
         selection="_get_model_name", string="Object", required=True