diff --git a/force_bdss/mco/parameters/core_mco_parameters.py b/force_bdss/mco/parameters/core_mco_parameters.py
index 35e46232380252818ed2878b0f78cb8aba5af414..e33559151c8ac348d846bc19a55387249f242d37 100644
--- a/force_bdss/mco/parameters/core_mco_parameters.py
+++ b/force_bdss/mco/parameters/core_mco_parameters.py
@@ -26,7 +26,8 @@ def all_core_factories():
     """Produces a list of all factories contained in this module."""
     import inspect
 
-    return [c() for c in inspect.getmodule(all_core_factories).__dict__.values()
+    return [c()
+            for c in inspect.getmodule(all_core_factories).__dict__.values()
             if inspect.isclass(c) and
             c is not BaseMCOParameterFactory and
             issubclass(c, BaseMCOParameterFactory)]
diff --git a/force_bdss/tests/fixtures/test_csv.json b/force_bdss/tests/fixtures/test_csv.json
index 85fb4fb8dcf7dd7b7d858e61c7f9b1d2173a1147..dbd1a9d9c205cfa1b8fdc9d59676a83f187b05a9 100644
--- a/force_bdss/tests/fixtures/test_csv.json
+++ b/force_bdss/tests/fixtures/test_csv.json
@@ -4,7 +4,13 @@
     "multi_criteria_optimizer": {
       "id": "force.bdss.bundle.enthought.dakota",
       "model_data": {
-        "parameters" : []
+        "parameters" : [
+          {
+            "id": "force.bdss.mco_parameter.enthought.ranged",
+            "model_data": {
+            }
+          }
+        ]
       }
     },
     "data_sources": [