diff --git a/cvat/apps/dataset_manager/formats/pascal_voc.py b/cvat/apps/dataset_manager/formats/pascal_voc.py
index 429696ba..ea53ad73 100644
--- a/cvat/apps/dataset_manager/formats/pascal_voc.py
+++ b/cvat/apps/dataset_manager/formats/pascal_voc.py
@@ -2,6 +2,7 @@
 #
 # SPDX-License-Identifier: MIT
 
+import os
 import os.path as osp
 import shutil
 from glob import glob