diff --git a/src/Gui/DlgEditorImp.cpp b/src/Gui/DlgEditorImp.cpp
index 5e80939d26..78c0084b15 100644
--- a/src/Gui/DlgEditorImp.cpp
+++ b/src/Gui/DlgEditorImp.cpp
@@ -205,14 +205,16 @@ void DlgSettingsEditorImp::loadSettings()
     ui->textEdit1->setPlainText(QString::fromLatin1(
         "# Short Python sample\n"
         "import sys\n"
-        "def foo(begin, end):\n"
-        "	i=begin\n"
-        "	while (i<end):\n"
-        "		print i\n"
-        "		i=i+1\n"
-        "		print \"Text\"\n"
         "\n"
-        "foo(0, 20))\n"));
+        "def foo(begin, end):\n"
+        "	i = begin\n"
+        "	while i < end:\n"
+        "		print(i)\n"
+        "		i = i + 1\n"
+        "		print(\"Text\")\n"
+        "	return None\n"
+        "\n"
+        "foo(0, 20)\n"));
 
     // Restores the color map
     ParameterGrp::handle hGrp = WindowParameter::getDefaultParameter()->GetGroup("Editor");