diff --git a/src/Gui/ApplicationPy.cpp b/src/Gui/ApplicationPy.cpp
index fb3de1211..f0f6d9abc 100644
--- a/src/Gui/ApplicationPy.cpp
+++ b/src/Gui/ApplicationPy.cpp
@@ -349,8 +349,8 @@ PyObject* Application::sExport(PyObject * /*self*/, PyObject *args,PyObject * /*
 
     PY_TRY {
         App::Document* doc = 0;
-        Py::List list(object);
-        for (Py::List::iterator it = list.begin(); it != list.end(); ++it) {
+        Py::Sequence list(object);
+        for (Py::Sequence::iterator it = list.begin(); it != list.end(); ++it) {
             PyObject* item = (*it).ptr();
             if (PyObject_TypeCheck(item, &(App::DocumentObjectPy::Type))) {
                 App::DocumentObject* obj = static_cast<App::DocumentObjectPy*>(item)->getDocumentObjectPtr();
diff --git a/src/Gui/TaskView/TaskDialogPython.cpp b/src/Gui/TaskView/TaskDialogPython.cpp
index 71c9e02ea..0ed4e96cf 100644
--- a/src/Gui/TaskView/TaskDialogPython.cpp
+++ b/src/Gui/TaskView/TaskDialogPython.cpp
@@ -112,8 +112,8 @@ Py::Object ControlPy::closeDialog(const Py::Tuple&)
 Py::Object ControlPy::addTaskWatcher(const Py::Tuple& args)
 {
     std::vector<Gui::TaskView::TaskWatcher*> watcher;
-    Py::List list(args[0]);
-    for (Py::List::iterator it = list.begin(); it != list.end(); ++it) {
+    Py::Sequence list(args[0]);
+    for (Py::Sequence::iterator it = list.begin(); it != list.end(); ++it) {
         TaskWatcherPython* w = new TaskWatcherPython(*it);
         watcher.push_back(w);
     }
@@ -178,9 +178,9 @@ TaskWatcherPython::TaskWatcherPython(const Py::Object& o)
     Gui::TaskView::TaskBox *tb = 0;
     if (watcher.hasAttr(std::string("commands"))) {
         if (!tb) tb = new Gui::TaskView::TaskBox(icon, title, true, 0);
-        Py::List cmds(watcher.getAttr(std::string("commands")));
+        Py::Sequence cmds(watcher.getAttr(std::string("commands")));
         CommandManager &mgr = Gui::Application::Instance->commandManager();
-        for (Py::List::iterator it = cmds.begin(); it != cmds.end(); ++it) {
+        for (Py::Sequence::iterator it = cmds.begin(); it != cmds.end(); ++it) {
             Py::String name(*it);
             std::string s = (std::string)name;
             Command *c = mgr.getCommandByName(s.c_str());
@@ -192,11 +192,11 @@ TaskWatcherPython::TaskWatcherPython(const Py::Object& o)
     if (watcher.hasAttr(std::string("widgets"))) {
         if (!tb && !title.isEmpty())
             tb = new Gui::TaskView::TaskBox(icon, title, true, 0);
-        Py::List list(watcher.getAttr(std::string("widgets")));
+        Py::Sequence list(watcher.getAttr(std::string("widgets")));
 
         Gui::PythonWrapper wrap;
         if (wrap.loadCoreModule()) {
-            for (Py::List::iterator it = list.begin(); it != list.end(); ++it) {
+            for (Py::Sequence::iterator it = list.begin(); it != list.end(); ++it) {
                 QObject* object = wrap.toQObject(*it);
                 if (object) {
                     QWidget* w = qobject_cast<QWidget*>(object);
diff --git a/src/Mod/Mesh/App/AppMeshPy.cpp b/src/Mod/Mesh/App/AppMeshPy.cpp
index 587963f28..c4117b9aa 100644
--- a/src/Mod/Mesh/App/AppMeshPy.cpp
+++ b/src/Mod/Mesh/App/AppMeshPy.cpp
@@ -163,10 +163,10 @@ static PyObject * exporter(PyObject *self, PyObject *args)
     MeshObject global_mesh;
 
     PY_TRY {
-        Py::List list(object);
+        Py::Sequence list(object);
         Base::Type meshId = Base::Type::fromName("Mesh::Feature");
         Base::Type partId = Base::Type::fromName("Part::Feature");
-        for (Py::List::iterator it = list.begin(); it != list.end(); ++it) {
+        for (Py::Sequence::iterator it = list.begin(); it != list.end(); ++it) {
             PyObject* item = (*it).ptr();
             if (PyObject_TypeCheck(item, &(App::DocumentObjectPy::Type))) {
                 App::DocumentObject* obj = static_cast<App::DocumentObjectPy*>(item)->getDocumentObjectPtr();
@@ -382,25 +382,24 @@ createBox(PyObject *self, PyObject *args)
 
 static PyObject * 
 calculateEigenTransform(PyObject *self, PyObject *args)
-{ 
-	PyObject *input;
+{
+    PyObject *input;
 
-	if (!PyArg_ParseTuple(args, "O",&input))
-		return NULL;
+    if (!PyArg_ParseTuple(args, "O",&input))
+        return NULL;
 
     if(! PySequence_Check(input) ){
         PyErr_SetString(PyExc_Exception, "Input have to be a sequence of Base.Vector()");
         return NULL;
     }
 
-	PY_TRY {
-
-		MeshCore::MeshKernel aMesh;
-		MeshCore::MeshPointArray vertices;
-		vertices.clear();
-		MeshCore::MeshFacetArray faces;
-		faces.clear();
-		MeshCore::MeshPoint current_node;
+    PY_TRY {
+        MeshCore::MeshKernel aMesh;
+        MeshCore::MeshPointArray vertices;
+        vertices.clear();
+        MeshCore::MeshFacetArray faces;
+        faces.clear();
+        MeshCore::MeshPoint current_node;
 
         Py::Sequence list(input);
         for (Py::Sequence::iterator it = list.begin(); it != list.end(); ++it) {
diff --git a/src/Mod/Part/App/AppPartPy.cpp b/src/Mod/Part/App/AppPartPy.cpp
index ffcf4ec16..e87f267eb 100644
--- a/src/Mod/Part/App/AppPartPy.cpp
+++ b/src/Mod/Part/App/AppPartPy.cpp
@@ -259,8 +259,8 @@ static PyObject * exporter(PyObject *self, PyObject *args)
     builder.MakeCompound(comp);
 
     PY_TRY {
-        Py::List list(object);
-        for (Py::List::iterator it = list.begin(); it != list.end(); ++it) {
+        Py::Sequence list(object);
+        for (Py::Sequence::iterator it = list.begin(); it != list.end(); ++it) {
             PyObject* item = (*it).ptr();
             if (PyObject_TypeCheck(item, &(App::DocumentObjectPy::Type))) {
                 App::DocumentObject* obj = static_cast<App::DocumentObjectPy*>(item)->getDocumentObjectPtr();