From be902e1271570080b008d5836f7a41658d2a6c75 Mon Sep 17 00:00:00 2001 From: iabdalkader Date: Mon, 25 Jun 2018 01:23:28 +0200 Subject: [PATCH] Check for None in keypoints script. --- scripts/examples/09-Feature-Detection/keypoints.py | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/scripts/examples/09-Feature-Detection/keypoints.py b/scripts/examples/09-Feature-Detection/keypoints.py index 790621cd5..8d5cf242d 100644 --- a/scripts/examples/09-Feature-Detection/keypoints.py +++ b/scripts/examples/09-Feature-Detection/keypoints.py @@ -18,10 +18,11 @@ sensor.skip_frames(time = 2000) sensor.set_auto_gain(False, value=100) def draw_keypoints(img, kpts): - print(kpts) - img.draw_keypoints(kpts) - img = sensor.snapshot() - time.sleep(1000) + if kpts: + print(kpts) + img.draw_keypoints(kpts) + img = sensor.snapshot() + time.sleep(1000) kpts1 = None # NOTE: uncomment to load a keypoints descriptor from file