From 217bf8f2b99bc1a07b0e0c2dad98dcb6eab3ad8b Mon Sep 17 00:00:00 2001
From: Yasin Tatar <ytatar9@googlemail.com>
Date: Fri, 10 Nov 2023 12:19:18 +0100
Subject: [PATCH] update dataclass for backward-compat

---
 fastapi/_compat.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fastapi/_compat.py b/fastapi/_compat.py
index fc605d0ec..13f596423 100644
--- a/fastapi/_compat.py
+++ b/fastapi/_compat.py
@@ -347,6 +347,7 @@ else:
     @dataclass
     class GenerateJsonSchema:  # type: ignore[no-redef]
         ref_template: str
+        by_alias: bool = True
 
     class PydanticSchemaGenerationError(Exception):  # type: ignore[no-redef]
         pass