WinError 5 access is denied - renaming files - Python

Question

I have been trying to create an executable for a simple file name converter. the goal is to rename all files from a certain directory to their creation date (for images).

import datetime
import os
from tkinter.filedialog import askdirectory
    
path = askdirectory(title='Select Folder')  # shows dialog box and return the path
os.chdir(path)
files = os.listdir(path)
for filename in files:
    time_stamp = datetime.datetime.fromtimestamp(os.path.getmtime(filename))
    os.rename(filename, time_stamp.strftime('%d-%m-%Y %H-%M-%S') + ".jpg")

It works perfectly where I run it through PyCharm, but when I run it through the executable that I created using pyInstaller, I get "[WinError 5] access is denied". The premission error occures because of the os.rename() function.

I tried to run it as an administrator but I got the same result. I also updated my python, pycharm and pip but that had no effect.

Is there a way to make this script an executable?

thank you all