From ad7a6ec41fdd0dfa355f4f14502a03c56bfc8ef2 Mon Sep 17 00:00:00 2001
From: Alexander Mordvintsev <no@email>
Date: Mon, 16 Jul 2012 12:31:56 +0000
Subject: [PATCH] correct unknown feature report in find_obj.py

---
 samples/python2/find_obj.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/samples/python2/find_obj.py b/samples/python2/find_obj.py
index 34357c233..1bbc93934 100644
--- a/samples/python2/find_obj.py
+++ b/samples/python2/find_obj.py
@@ -19,7 +19,6 @@ FLANN_INDEX_LSH    = 6
 
 
 def init_feature(name):
-    detector, matcher = None, None
     chunks = name.split('-')
     if chunks[0] == 'sift':
         detector = cv2.SIFT()
@@ -30,6 +29,8 @@ def init_feature(name):
     elif chunks[0] == 'orb':
         detector = cv2.ORB(400)
         norm = cv2.NORM_HAMMING
+    else:
+        return None, None
     if 'flann' in chunks:
         if norm == cv2.NORM_L2:
             flann_params = dict(algorithm = FLANN_INDEX_KDTREE, trees = 5)