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Ok I can reproduce your error . Use named parameter :

t= cv2.drawKeypoints(image,p, outImage=None, color=(0, 0, 255), flags=cv2.DRAW_MATCHES_FLAGS_DRAW_RICH_KEYPOINTS)

Ok I can reproduce your error . Use named parameter :

t= cv2.drawKeypoints(image,p, outImage=None, outImage=blank, color=(0, 0, 255),
                          flags=cv2.DRAW_MATCHES_FLAGS_DRAW_RICH_KEYPOINTS)
flags=cv2.DRAW_MATCHES_FLAGS_DRAW_RICH_KEYPOINTS)

Ok I can reproduce your error . Use named parameter :

t= cv2.drawKeypoints(image,p, outImage=blank, color=(0, 0, 255),
                          flags=cv2.DRAW_MATCHES_FLAGS_DRAW_RICH_KEYPOINTS)

Ok I can reproduce your error . Use named parameter :

t= cv2.drawKeypoints(image,p, outImage=blank, color=(0, 0, 255),
                          flags=cv2.DRAW_MATCHES_FLAGS_DRAW_RICH_KEYPOINTS)

Reference https://www.python.org/dev/peps/pep-3102/

Ok I can reproduce your error . Use named parameter :

t= cv2.drawKeypoints(image,p, outImage=blank, color=(0, 0, 255),
                          flags=cv2.DRAW_MATCHES_FLAGS_DRAW_RICH_KEYPOINTS)

Reference https://www.python.org/dev/peps/pep-3102/