From ed097b1dfbb096932497531e06353bffe2ec165e Mon Sep 17 00:00:00 2001
From: hongzhen <hongzhen91@163.com>
Date: Fri, 20 Dec 2024 18:00:47 +0800
Subject: [PATCH] fix the bug with type error.

---
 diagrams/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/diagrams/__init__.py b/diagrams/__init__.py
index 8625cd5d..1869d423 100644
--- a/diagrams/__init__.py
+++ b/diagrams/__init__.py
@@ -82,7 +82,7 @@ class Diagram:
         filename: str = "",
         direction: str = "LR",
         curvestyle: str = "ortho",
-        outformat: Union[str, list[str]] = "png",
+        outformat: Union[str, List[str]] = "png",
         autolabel: bool = False,
         show: bool = True,
         strict: bool = False,