[Python] Make OpenCV frame non-resizable

I am making a frame using OpenCV in Python, but the frame can be resized with the mouse, and I don't want it to be resized. I googled it, but there was nothing similar to it.

Here's the code that I am using:

import cv2
im = cv2.imread('E:/file.png')
cv2.imshow('image', im)


How can I alter it so that the frame cannot be resized?

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