How to change hero box in pygame?

Question

Python

Tell the girl how I can ignore the weapon in the picture

so that this does not happen.
If the hero is directed to the right side, then I can still change the width manually, but if to the left, then I don’t.
The hero and the weapon are one image.
I take the size of the image with the help of self.rect = pygame.image.get_rect()
P.S. Couldn't have phrased the question better.