Remove unused imports

app.py

@@ -1,4 +1,3 @@
-import re
 from typing import Iterator
 
 from io import StringIO

src/download.py

@@ -1,5 +1,4 @@
 from tempfile import mkdtemp
-from tkinter import Y
 from yt_dlp import YoutubeDL
 
 import yt_dlp

src/vad.py

@@ -1,7 +1,5 @@
 from abc import ABC, abstractmethod
 from collections import Counter
-from dis import dis
-import re
 from typing import Any, Iterator, List, Dict
 
 from pprint import pprint