Tab autocomplete python3 conversion

Question

I have built this auto completion command line script in python, it will execute the "ls" command in linux enviroment, convert the resulting string into a list and assigning that list to the tab auto complete function.

#!/usr/bin/env python

import readline, subprocess

readline.parse_and_bind("tab: complete")


def complete(text,state):

    result = subprocess.check_output("ls")
    volcab = result.split("\n")
    results = [x for x in volcab if x.startswith(text)] + [None]
    return results[state]

readline.set_completer(complete)

line = input('>> ')

The problem is that when i try to convert it in python 3 is not going to work because instead of returning a regular list structure = ['element1', 'element2', 'element3'], python3 will return the list in binary form [b'element1',b'element2',b'element3'] ... I couldn't separate the elements of the list with this structure, so the auto completer did not work.