YOLOv3保存检测视频：AttributeError: 'NoneType' object has no attribute '__array_interface__'

 while True:
        return_value, frame = vid.read()
        #cv2.imwrite("image.jpg", frame)
        #image.show()
        #------------------
        # image = Image.fromarray(cv2.cvtColor(frame,cv2.COLOR_BGR2RGB))
        -------------------------------------------------（添加以下部分代码，判断是否空帧）
       	if(return_value ==False):
            break
        else:
        ----------------------------------------
            image = Image.fromarray(frame)
            image,lab = yolo.detect_image(image)
            #______________________________________修改_______________________
            #st.denoise(lab)
            #----------------------------------
            result = np.asarray(image)
            # result = cv2.cvtColor(np.asarray(image), cv2.COLOR_RGB2BGR)
            curr_time = timer()
            exec_time = curr_time - prev_time
            prev_time = curr_time
            accum_time = accum_time + exec_time
            curr_fps = curr_fps + 1
            if accum_time > 1:
                accum_time = accum_time - 1
                fps = "FPS: " + str(curr_fps)
                curr_fps = 0
            cv2.putText(result, text=fps, org=(3, 15), fontFace=cv2.FONT_HERSHEY_SIMPLEX,
                        fontScale=0.50, color=(255, 0, 0), thickness=2)
            cv2.namedWindow("result", cv2.WINDOW_NORMAL)
            cv2.imshow("result", result)
            if isOutput:
                out.write(result)
            if cv2.waitKey(1) & 0xFF == ord('q'):
                break

保存路劲切记加上文件名。