help message printing

diff --git a/samples/python2/lk_track.py b/samples/python2/lk_track.py
index b07db17..2e852d8 100644 (file)
--- a/samples/python2/lk_track.py
+++ b/samples/python2/lk_track.py
@@ -42,6 +42,8 @@ def main():
     try: video_src = sys.argv[1]\r
     except: video_src = video.presets['chess']\r
 \r
+    print help_message\r
+\r
     track_len = 4\r
     tracks = []\r
     cam = video.create_capture(video_src)\r