diff --git a/notebook/services/contents/filemanager.py b/notebook/services/contents/filemanager.py
index b8cfbed61..39dcbd787 100644
--- a/notebook/services/contents/filemanager.py
+++ b/notebook/services/contents/filemanager.py
@@ -32,6 +32,7 @@ from notebook.utils import (
     to_api_path,
 )
 from notebook.base.handlers import AuthenticatedFileHandler
+from notebook.transutils import _
 
 try:
     from os.path import samefile