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-rw-r--r--test-mogrify.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/test-mogrify.py b/test-mogrify.py
index be74ba8..676b1ad 100644
--- a/test-mogrify.py
+++ b/test-mogrify.py
@@ -92,6 +92,7 @@ if __name__ == '__main__':
if data_opt.canny is True:
processed = True
img = cv2.Canny(img, data_opt.canny_lo, data_opt.canny_hi)
+ img = cv2.cvtColor(img, cv2.COLOR_GRAY2BGR)
if processed is False or data_opt.process_frac == 0:
return img