From f06c34c43ff749657378cef06cc12d1ce2acc04e Mon Sep 17 00:00:00 2001
From: mpv <mpv@opencascade.com>
Date: Mon, 4 Mar 2019 14:42:54 +0300
Subject: [PATCH] Fix instability of TestPartition_SolidsHistory.py :
 duplicates are removed even they are first in the updateInHistory results.

---
 src/Model/Model_AttributeSelection.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/Model/Model_AttributeSelection.cpp b/src/Model/Model_AttributeSelection.cpp
index 92be8663d..f35b7a6e4 100644
--- a/src/Model/Model_AttributeSelection.cpp
+++ b/src/Model/Model_AttributeSelection.cpp
@@ -1504,8 +1504,10 @@ void Model_AttributeSelection::updateInHistory(bool& theRemove)
       }
 
       if (aFirst) {
-        setValue(*aNewCont, aValueShape);
-        aFirst = false;
+        if (!myParent || !myParent->isInList(*aNewCont, aValueShape)) { // avoid duplicates
+          setValue(*aNewCont, aValueShape);
+          aFirst = false;
+        }
       } else if (myParent) {
         if (!myParent->isInList(*aNewCont, aValueShape)) // avoid addition of duplicates
           myParent->append(*aNewCont, aValueShape);
-- 
2.39.2