From c2b5999aa2a0f11f5d8c37e418a22a4ba56ecd49 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alejandro=20Hern=C3=A1ndez=20Cordero?= <ahcorde@gmail.com>
Date: Fri, 19 Jan 2024 17:29:13 +0100
Subject: [PATCH] [backport humble] ROS 2: Fixing thrown Exception in
 camerachecker.py (#871) (#887)
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backport #871

Signed-off-by: Alejandro Hernández Cordero <ahcorde@gmail.com>
---
 camera_calibration/src/camera_calibration/camera_checker.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/camera_calibration/src/camera_calibration/camera_checker.py b/camera_calibration/src/camera_calibration/camera_checker.py
index 6d5936882..19149b5ec 100755
--- a/camera_calibration/src/camera_calibration/camera_checker.py
+++ b/camera_calibration/src/camera_calibration/camera_checker.py
@@ -150,7 +150,7 @@ def image_corners(self, im):
         if ok:
             return corners, ids
         else:
-            return None
+            return None, None
 
     def handle_monocular(self, msg):