diff --git a/pype/standalonepublish/widgets/model_filter_proxy_recursive_sort.py b/pype/standalonepublish/widgets/model_filter_proxy_recursive_sort.py
index 04ee88229f..9528e96ebf 100644
--- a/pype/standalonepublish/widgets/model_filter_proxy_recursive_sort.py
+++ b/pype/standalonepublish/widgets/model_filter_proxy_recursive_sort.py
@@ -1,4 +1,5 @@
 from . import QtCore
+import re
 
 
 class RecursiveSortFilterProxyModel(QtCore.QSortFilterProxyModel):