From e88695f69e8a4209c7e5a4e44044b0946f440804 Mon Sep 17 00:00:00 2001
From: Stefano Borini <sborini@enthought.com>
Date: Wed, 20 Jun 2018 18:31:22 +0100
Subject: [PATCH] Added an empty list return from parameter factories

---
 force_bdss/mco/base_mco_factory.py            | 1 +
 force_bdss/mco/tests/test_base_mco_factory.py | 1 +
 2 files changed, 2 insertions(+)

diff --git a/force_bdss/mco/base_mco_factory.py b/force_bdss/mco/base_mco_factory.py
index c823655..cde66f7 100644
--- a/force_bdss/mco/base_mco_factory.py
+++ b/force_bdss/mco/base_mco_factory.py
@@ -135,3 +135,4 @@ class BaseMCOFactory(HasStrictTraits):
         -------
         List of BaseMCOParameterFactory
         """
+        return []
diff --git a/force_bdss/mco/tests/test_base_mco_factory.py b/force_bdss/mco/tests/test_base_mco_factory.py
index e070daf..241abc4 100644
--- a/force_bdss/mco/tests/test_base_mco_factory.py
+++ b/force_bdss/mco/tests/test_base_mco_factory.py
@@ -29,6 +29,7 @@ class TestBaseMCOFactory(unittest.TestCase):
                               DummyMCOCommunicator)
         self.assertIsInstance(factory.create_model(),
                               DummyMCOModel)
+        self.assertEqual(factory.parameter_factories(), [])
 
     def test_broken_get_identifier(self):
         class Broken(DummyMCOFactory):
-- 
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