From 90099c32b8b28a31d9fc500351c65d26f63af23e Mon Sep 17 00:00:00 2001
From: Sascha Silbe <sascha-pgp@silbe.org>
Date: Fri, 15 Oct 2010 20:11:10 +0000
Subject: CellRendererInvoker._redraw_path(): assure column is defined

We know that our code is correct and column should always be assigned, but it
never hurts to act defensively and guard against bugs in other pieces of the
code (or other components like GTK).
---
diff --git a/src/sugar/graphics/palettewindow.py b/src/sugar/graphics/palettewindow.py
index c5deecd..9c3a02a 100644
--- a/src/sugar/graphics/palettewindow.py
+++ b/src/sugar/graphics/palettewindow.py
@@ -938,9 +938,11 @@ class CellRendererInvoker(Invoker):
             self.notify_mouse_leave()
 
     def _redraw_path(self, path):
+        column = None
         for column in self._tree_view.get_columns():
             if self._cell_renderer in column.get_cell_renderers():
                 break
+        assert column is not None
         area = self._tree_view.get_background_area(path, column)
         x, y = \
             self._tree_view.convert_bin_window_to_widget_coords(area.x, area.y)
--
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