cv2.line using error [resolved] error: OpenCV(4.7.0) :-1: error: (-5:Bad argument) in function 'line' ＞ Overload

cv2.line:
image = cv2.line(image, starting point coordinates, end point coordinates, color, thickness)

When using cv2.line, the following error is reported

error prompts that the parameter type with index 1 is wrong, ie (weight, right_y), (0, left_y)

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By printing, it is found that the data types of weight, right_y, and left_y are float

After changing the data type to int, no error will be reported

img = cv2.line(image3,(int(weigh), int(right_y)), (0, int(left_y)), (0, 255, 0), 2)