diff --git a/comfy_api/latest/_io.py b/comfy_api/latest/_io.py
index 7b0114d53..157c5c18a 100644
--- a/comfy_api/latest/_io.py
+++ b/comfy_api/latest/_io.py
@@ -2,7 +2,6 @@ from __future__ import annotations
 
 import copy
 import inspect
-import re
 from abc import ABC, abstractmethod
 from collections import Counter
 from collections.abc import Iterable