Fix bug#252.

Reviewer: Renato Araújo <renato.filho@openbossa.org>
          Marcelo Lira <marcelo.lira@openbossa.org>

PySide/QtGui/glue/qapplication_init.cpp

@@ -8,7 +8,7 @@ void DeleteQApplicationAtExit() {
     if (QApplication::instance()) {
         //disconnect and decref all widgets used on signals before destroy qApp
         PySide::SignalManager::instance().clear();
-        delete QApplication::instance();
+        QApplication::instance()->deleteLater();
         for (int i = 0; i < QApplicationArgCount; ++i)
             delete[] QApplicationArgValues[i];
     }

tests/QtSql/qsqldatabaseandqueries_test.py

@@ -6,6 +6,12 @@ import unittest
 
 from PySide import QtSql
 from PySide.QtCore import *
+from PySide.QtGui import *
+
+class Foo(QWidget):
+    def __init__(self):
+        QWidget.__init__(self)
+        self.model = QtSql.QSqlTableModel()
 
 class SqlDatabaseCreationDestructionAndQueries(unittest.TestCase):
     '''Test cases for QtSql database creation, destruction and queries'''
@@ -51,6 +57,14 @@ class SqlDatabaseCreationDestructionAndQueries(unittest.TestCase):
         lastname = query.value(0)
         self.assertEqual(lastname, 'Harrison')
 
+    def testTableModelDeletion(self):
+        app = QApplication([])
+
+        bar = Foo()
+        model = bar.model
+        del bar
+        del app
+
 if __name__ == '__main__':
     unittest.main()