#3420 fix for map canvas rerender not working under python

git-svn-id: http://svn.osgeo.org/qgis/trunk@15075 c8812cc2-4d05-0410-92ff-de0c093fc19c

python/gui/qgsmapcanvas.sip

@@ -255,6 +255,9 @@ class QgsMapCanvas : QGraphicsView
     */
     void renderComplete(QPainter *);
 
+    //! Overridden paint event
+    void paintEvent(QPaintEvent *);
+
     /** Emitted when the canvas is about to be rendered.
       \note Added in 1.5 */
     void renderStarting();