From da372dda23b6dc72c1ef6e454221945af75db442 Mon Sep 17 00:00:00 2001
From: Stefano Borini <sborini@enthought.com>
Date: Wed, 16 Aug 2017 18:02:39 +0100
Subject: [PATCH] Using correct tuple notation

---
 force_bdss/core_driver_events.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/force_bdss/core_driver_events.py b/force_bdss/core_driver_events.py
index 2116c2a..57fd467 100644
--- a/force_bdss/core_driver_events.py
+++ b/force_bdss/core_driver_events.py
@@ -1,4 +1,4 @@
-from traits.api import HasStrictTraits, Tuple, Str
+from traits.api import HasStrictTraits, Tuple
 
 
 class BaseDriverEvent(HasStrictTraits):
@@ -7,8 +7,8 @@ class BaseDriverEvent(HasStrictTraits):
 
 class MCOStartEvent(BaseDriverEvent):
     """MCO should emit this event when the evaluation starts."""
-    input_names = Tuple(Str())
-    output_names = Tuple(Str())
+    input_names = Tuple()
+    output_names = Tuple()
 
 
 class MCOFinishEvent(BaseDriverEvent):
-- 
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