PythonQt: initialize sys.argv with static string.

pyplugins/gepetto/gui/pythonwidget.py

 from PythonQt import QtGui, Qt
 from gepetto.corbaserver import Client
-import sys
-sys.argv = ["none"]
 
 ### This class represents one special tab of the new QDockWidget
 class _NodeCreator (QtGui.QWidget):

src/gui/pythonwidget.cc

@@ -34,8 +34,8 @@ namespace gepetto {
             PythonQt::init(PythonQt::RedirectStdOut);
             PythonQt_QtAll::init();
             mainContext_ = PythonQt::self()->getMainModule();
-	    PythonQtObjectPtr sys = PythonQt::self()->importModule ("sys");
-	    sys.addVariable ("argv", QVariant(QStringList () << "toto.py"));
+            PythonQtObjectPtr sys = PythonQt::self()->importModule ("sys");
+            sys.evalScript ("argv = ['gepetto-gui']");
             console_ = new PythonQtScriptingConsole(NULL, mainContext_);
             mainContext_.addObject("mainWindow", MainWindow::instance());