Python openCV TypeError: labels data type = 18 is not supported

例如：

recvData, addr = recvSocket.recvfrom(400000)
imde = cv2.imdecode(recvData, 1)

错误，需改为

recvData, addr = recvSocket.recvfrom(400000)
recvData = np.frombuffer(recvData, dtype=np.uint8)
imde = cv2.imdecode(recvData, 1)