How to save a new raster with the projections of the previous raster

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Python

image

raster

I tried to make an algorithm in Python where I entered a georeferenced raster (known coordinate system), all its negative values were transformed to zero, and then a new image was saved with the georeference of the initial image.

import skimage.io
import pandas as pd
import numpy as np

pathhr = 'C:\\Users\\dataset\\S30W051.tif'
HR = skiimage.io.imread(pathhr)
df1 = pd.DataFrame(HR)
HR_changed = df1[df1 < 0] = 0

#save function
savedata = df1.to_numpy()
skimage.io.imsave('C:\\Users\\dataset\\S30W051_TEST.tif', savedata)

But when I save my raster at the end of this script, I get a non-georeferenced TIFF raster.

What I have tried:

How do I keep the same coordinate system as the initial raster (without transforming the output raster into local coordinates)?

I ask for help in solving this problem. Thanks.