Python modules improvements

src/appleseed.studio/mainwindow/mainwindow.cpp

@@ -321,10 +321,9 @@ QDockWidget* MainWindow::create_dock_widget(const char* dock_name)
     dock_widget->setObjectName(object_name);
     dock_widget->setWindowTitle(dock_name);
 
-
-    const QList<QAction*>& actions = m_ui->menu_view->actions();
+    const auto& actions = m_ui->menu_view->actions();
     QAction* menu_separator = actions.last();
-    for (size_t i = (size_t) actions.size() - 2; i != 0; --i)
+    for (size_t i = static_cast<size_t>(actions.size()) - 2; i != 0; --i)
         if (actions[i]->isSeparator())
         {
             menu_separator = actions[i];

src/appleseed.studio/python/module.cpp

@@ -34,6 +34,7 @@
 // appleseed.foundation headers.
 #include "foundation/core/exceptions/exception.h"
 #include "foundation/platform/python.h"
+#include "foundation/utility/casts.h"
 
 // Qt headers.
 #include <QDockWidget>

src/appleseed.studio/python/pythoninterpreter.cpp

@@ -167,10 +167,5 @@ PythonInterpreter::PythonInterpreter()
 {
 }
 
-PythonInterpreter::~PythonInterpreter()
-{
-    Py_Finalize();
-}
-
 }   // namespace studio
 }   // namespace appleseed

src/appleseed.studio/python/pythoninterpreter.h

@@ -55,7 +55,6 @@ class PythonInterpreter
 
   private:
     PythonInterpreter();
-    ~PythonInterpreter();
 
     void import_python_module(const char* module_name, const char* alias_name);