From 1d99e0010ee00caed82f9ae514b158e00529a823 Mon Sep 17 00:00:00 2001
From: Russell Johnson <47639332+Russ4262@users.noreply.github.com>
Date: Wed, 23 Dec 2020 15:24:16 -0600
Subject: [PATCH] Path: Fix `Import` feature of Base Geometry

Error was thrown if FreeCADGui.Selection list had more than one item.  Solution is to clear selection before adding  selection from import operation.  I also removed the `for` loop since the selection should be singular.
---
 src/Mod/Path/PathScripts/PathOpGui.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/Mod/Path/PathScripts/PathOpGui.py b/src/Mod/Path/PathScripts/PathOpGui.py
index d0d5c22d83..ea1e069f2c 100644
--- a/src/Mod/Path/PathScripts/PathOpGui.py
+++ b/src/Mod/Path/PathScripts/PathOpGui.py
@@ -601,12 +601,13 @@ class TaskPanelBaseGeometryPage(TaskPanelPage):
     def importBaseGeometry(self):
         opLabel = str(self.form.geometryImportList.currentText())
         ops = FreeCAD.ActiveDocument.getObjectsByLabel(opLabel)
-        if ops.__len__() > 1:
+        if len(ops) > 1:
             msg = translate('PathOpGui', 'Mulitiple operations are labeled as')
             msg += " {}\n".format(opLabel)
             FreeCAD.Console.PrintWarning(msg)
-        for (base, subList) in ops[0].Base:
-            FreeCADGui.Selection.addSelection(base, subList)
+        (base, subList) = ops[0].Base[0]
+        FreeCADGui.Selection.clearSelection()
+        FreeCADGui.Selection.addSelection(base, subList)
         self.addBase()
 
     def registerSignalHandlers(self, obj):