diff --git a/okxtrading2.0.py b/okxtrading2.0.py
index 03c18cd..a5bc6a4 100644
--- a/okxtrading2.0.py
+++ b/okxtrading2.0.py
@@ -4,6 +4,7 @@ import logging
 import pandas as pd
 import numpy as np
 import signal
+import sys
 import requests
 import json
 import hashlib