From cd9d695f9d34aee43430381e4cfb13303e5b860b Mon Sep 17 00:00:00 2001
From: Alexander Mordvintsev <no@email>
Date: Tue, 20 Sep 2011 11:49:24 +0000
Subject: [PATCH] fix in RectSelector

---
 samples/python2/common.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/samples/python2/common.py b/samples/python2/common.py
index 43d22b3..f2e74fc 100644
--- a/samples/python2/common.py
+++ b/samples/python2/common.py
@@ -139,10 +139,11 @@ class RectSelector:
                 if x1-x0 > 0 and y1-y0 > 0:
                     self.drag_rect = (x0, y0, x1, y1)
             else:
-                if self.drag_rect:
-                    self.callback(self.drag_rect)
+                rect = self.drag_rect
                 self.drag_start = None
                 self.drag_rect = None
+                if rect:
+                    self.callback(rect)
     def draw(self, vis):
         if not self.drag_rect:
             return
-- 
2.7.4