<s>[INST] #!/usr/bin/env python3

import os, sys, subprocess

base_dir = '/home/timingboy/Downloads'
dest = '/home/timingboy/Videos'

try:
    for fname in os.listdir(base_dir):
        if fname.endswith(('.mp4','.mkv','.m4a','.extensionsound','.aiff','.flv')):
            src = os.path.join(base_dir, fname)
            dest_path = os.path.join(dest,fname) 
            subprocess.Popen(['mv', src, dest_path])
except FileNotFoundError:
    pass

Where's the error?[/INST]