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list - python re.sub(" ", " ", str) return \ instread of

I need it for make that the rest of my code works I need replace the spaces for " " because it is a #linux directory path so I've tried with the method str.replace() and the method re.sub() but always that is replaced return "\ " instread of " " because "\ " in python writing mean " " but I don't need "\ " i need " " how i can replace " " for " "? it′s the part of code that replace the path:

from datetime import date
import os
import re
from os import listdir
import shutil
from os.path import isfile, join
ruta_de_descragas = "/home/carloseduardopalmalicea/Descargas/"

    def listfdesc():
        listfdesc.onlyfiles = os.listdir(path=ruta_de_descragas)
        inh = list(range(0,len(listfdesc.onlyfiles)))
        for i in inh:
            listfdesc.onlyfiles[i] = re.sub(" "," ",listfdesc.onlyfiles[i])
question from:https://stackoverflow.com/questions/65839504/python-re-sub-str-return-instread-of

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