Merge pull request #322 from eudoxos/fix-addObject-arg

Fix empty dict as default arg

Author: jmwright

cq_editor/widgets/object_tree.py

@@ -275,7 +275,9 @@ def addObjects(self,objects,clean=False,root=None):
             self.sigObjectsAdded[list].emit(ais_list)
 
     @pyqtSlot(object,str,object)
-    def addObject(self,obj,name='',options={}):
+    def addObject(self,obj,name='',options=None):
+
+        if options is None: options={}
 
         root = self.CQ