opt_flow.py sample fixed

diff --git a/samples/python2/opt_flow.py b/samples/python2/opt_flow.py
index a22adb2..8bc9377 100644 (file)
--- a/samples/python2/opt_flow.py
+++ b/samples/python2/opt_flow.py
@@ -59,7 +59,7 @@ if __name__ == '__main__':
     while True:\r
         ret, img = cam.read()\r
         gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)\r
-        flow = cv2.calcOpticalFlowFarneback(prevgray, gray, None, 0.5, 3, 15, 3, 5, 1.2, 0)\r
+        flow = cv2.calcOpticalFlowFarneback(prevgray, gray, 0.5, 3, 15, 3, 5, 1.2, 0)\r
         prevgray = gray\r
         \r
         cv2.imshow('flow', draw_flow(gray, flow))\r