From 5eb938b7e88d66a865cb311e7dde0cbe0160dfc3 Mon Sep 17 00:00:00 2001
From: mpv <mpv@opencascade.com>
Date: Thu, 10 Sep 2015 15:09:16 +0300
Subject: [PATCH] Fix for the issue #905

---
 src/ModuleBase/ModuleBase_OperationFeature.cpp |  4 +++-
 src/PythonAPI/geom/__init__.py                 |  1 -
 src/XGUI/XGUI_Workshop.cpp                     | 18 ++++++++++--------
 3 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/src/ModuleBase/ModuleBase_OperationFeature.cpp b/src/ModuleBase/ModuleBase_OperationFeature.cpp
index 18eba405d..797f9e2ab 100755
--- a/src/ModuleBase/ModuleBase_OperationFeature.cpp
+++ b/src/ModuleBase/ModuleBase_OperationFeature.cpp
@@ -195,7 +195,9 @@ void ModuleBase_OperationFeature::abort()
   stopOperation();
   // is is necessary to deactivate current widgets before the model operation is aborted
   // because abort removes the feature and activated filters should not check it
-  propertyPanel()->cleanContent();
+  if (aPropertyPanel) { // feature may be not created (plugin load fail)
+    aPropertyPanel->cleanContent();
+  }
 
   aMgr->abortOperation();
   emit stopped();
diff --git a/src/PythonAPI/geom/__init__.py b/src/PythonAPI/geom/__init__.py
index 1ba89b9d9..c6faa27e3 100644
--- a/src/PythonAPI/geom/__init__.py
+++ b/src/PythonAPI/geom/__init__.py
@@ -19,7 +19,6 @@ from GeomAPI import GeomAPI_Shape  as Shape
 # Swigged interfaces to Modeling Algorithms
 
 from GeomAlgoAPI import GeomAlgoAPI_Boolean   as Boolean
-from GeomAlgoAPI import GeomAlgoAPI_Extrusion as Extrusion
 
 
 # Emulation of interfaces not yet swigged
diff --git a/src/XGUI/XGUI_Workshop.cpp b/src/XGUI/XGUI_Workshop.cpp
index 6dfaa1765..38ca4d934 100644
--- a/src/XGUI/XGUI_Workshop.cpp
+++ b/src/XGUI/XGUI_Workshop.cpp
@@ -495,14 +495,16 @@ void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
   // They were deactivated on operation start or an object redisplay
   QObjectPtrList anObjects;
   FeaturePtr aFeature = aFOperation->feature();
-  if (myDisplayer->isVisible(aFeature) && !myDisplayer->isActive(aFeature))
-    anObjects.append(aFeature);
-  std::list<ResultPtr> aResults = aFeature->results();
-  std::list<ResultPtr>::const_iterator aIt;
-  for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
-    ResultPtr anObject = *aIt;
-    if (myDisplayer->isVisible(anObject) && !myDisplayer->isActive(anObject)) {
-      anObjects.append(anObject);
+  if (aFeature.get()) { // feature may be not created (plugin load fail)
+    if (myDisplayer->isVisible(aFeature) && !myDisplayer->isActive(aFeature))
+      anObjects.append(aFeature);
+    std::list<ResultPtr> aResults = aFeature->results();
+    std::list<ResultPtr>::const_iterator aIt;
+    for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
+      ResultPtr anObject = *aIt;
+      if (myDisplayer->isVisible(anObject) && !myDisplayer->isActive(anObject)) {
+        anObjects.append(anObject);
+      }
     }
   }
   QIntList aModes;
-- 
2.39.2