diff --git a/src/ocbs/serve.py b/src/ocbs/serve.py
index de564cd..0faeb4e 100644
--- a/src/ocbs/serve.py
+++ b/src/ocbs/serve.py
@@ -2,10 +2,17 @@
 Web server for serving OCBS restore pages with token-based authentication.
 """
 
+import html as html_module
+import json
+import os
+import secrets
 import shutil
 import socket
+import sqlite3
 import subprocess
+import threading
 import urllib.parse
+from datetime import datetime, timedelta
 from http.server import HTTPServer
 from pathlib import Path
 from typing import Optional