craw within folder to load all files matching the regex

crawler.py

import os
import re
import bpy

root = './'

def use_regex(input_text):
    pattern = re.compile(r".+_LOD5\.fbx", re.IGNORECASE)
    return bool(pattern.match(input_text))


print('==========STARTING=========')
for root, dirs, files in os.walk(root):
    for file in files:
        print(f'file : {root}/{file}')
        if use_regex(file) == True:
            bpy.ops.import_scene.fbx(filepath=root+'/'+file)
            print(f'importing.')

print('==========DONE==========')