diff --git a/requirements.txt b/requirements.txt
index 5843e6b..566dffd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,3 +4,5 @@ torch
 torchvision
 pytoan
 albumentations
+Cython
+pycocotools
\ No newline at end of file
diff --git a/utils/helper.py b/utils/helper.py
index 438e5e0..69cd01d 100644
--- a/utils/helper.py
+++ b/utils/helper.py
@@ -2,7 +2,6 @@
 import numpy as np
 import torch
 import os
-import requests
 import socket
 import datetime
 import json