diff --git a/server.py b/server.py
index 9f8a182..0345fcd 100644
--- a/server.py
+++ b/server.py
@@ -1,5 +1,5 @@
 #!/usr/bin/python3
-import asyncio, traceback, socket, ssl, zipfile, random
+import asyncio, traceback, socket, ssl, zipfile, random, string
 from OpenSSL import crypto
 from urllib.parse import urlparse, quote
 from flask import Flask, request, redirect, send_file, Response