diff --git a/revivetube.py b/revivetube.py
index 3ddb1b4..4e81e71 100644
--- a/revivetube.py
+++ b/revivetube.py
@@ -25,6 +25,14 @@ import asyncio
 import yt_dlp
 from bs4 import BeautifulSoup
 from quart import Quart, request, render_template_string, send_file, Response, abort, jsonify
+from helper import (
+    read_file as async_read_file,
+    get_video_duration_from_file as async_get_video_duration,
+    format_duration as async_format_duration,
+    get_file_size as async_get_file_size,
+    get_range as async_get_range,
+    get_api_key as async_get_api_key
+)
 
 app = Quart(__name__)