From e6f8388d3dfb22639efaa0bfa3bdac29964dcaa7 Mon Sep 17 00:00:00 2001
From: jaseg <code@jaseg.net>
Date: Tue, 26 Mar 2019 02:11:09 +0900
Subject: gerbolyze.py: Fix cv2.findContours to work with cv2 4.0

---
 gerbolyze.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gerbolyze.py b/gerbolyze.py
index 9ed30d4..6991a3e 100755
--- a/gerbolyze.py
+++ b/gerbolyze.py
@@ -228,7 +228,8 @@ def plot_contours(
 
     # Extract contour hierarchy using OpenCV
     status_print('Extracting contours')
-    img_cont_out, contours, hierarchy = cv2.findContours(img, cv2.RETR_TREE, cv2.CHAIN_APPROX_TC89_KCOS)
+    # See https://stackoverflow.com/questions/48291581/how-to-use-cv2-findcontours-in-different-opencv-versions/48292371
+    contours, hierarchy = findContoursHack(img, cv2.RETR_TREE, cv2.CHAIN_APPROX_TC89_KCOS)[-2:]
 
     aperture = list(layer.apertures)[0]
 
-- 
cgit