From 6a1c871f7fa8ee3ea8c0d02fd44450671f7d13ba Mon Sep 17 00:00:00 2001
From: mingrammer <mingrammer@gmail.com>
Date: Thu, 7 Nov 2024 11:14:34 +0900
Subject: [PATCH] fix: keep the backward compatability for type hint

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

diff --git a/diagrams/__init__.py b/diagrams/__init__.py
index 5031c7d..7b6d246 100644
--- a/diagrams/__init__.py
+++ b/diagrams/__init__.py
@@ -82,7 +82,7 @@ class Diagram:
         filename: str = "",
         direction: str = "LR",
         curvestyle: str = "ortho",
-        outformat: str | list[str] = "png",
+        outformat: Union[str, list[str]] = "png",
         autolabel: bool = False,
         show: bool = True,
         strict: bool = False,