Update segment_key.py

segment_key.py

@@ -340,6 +340,7 @@ def show_kps(contour):
     features += list2
 
     black_image = np.zeros((300, 300), dtype=np.uint8)
+    features = np.array(features)
     cv2.drawContours(black_image, [features], -1, (255, 255, 255), 2)
     return black_image