From 39164bd6f3d8cd0f09415fc62e34591d41201e30 Mon Sep 17 00:00:00 2001
From: Yuki Watanabe <ukwhatn@gmail.com>
Date: Thu, 16 May 2024 09:40:25 +0900
Subject: [PATCH] update: sync code example

---
 docs/ja/docs/index.md | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/docs/ja/docs/index.md b/docs/ja/docs/index.md
index fecbe6f00..6aa31f43b 100644
--- a/docs/ja/docs/index.md
+++ b/docs/ja/docs/index.md
@@ -146,6 +146,8 @@ $ pip install fastapi
 - `main.py` を作成し、以下のコードを入力します:
 
 ```Python
+from typing import Union
+
 from fastapi import FastAPI
 
 app = FastAPI()
@@ -157,7 +159,7 @@ def read_root():
 
 
 @app.get("/items/{item_id}")
-def read_item(item_id: int, q: str = None):
+def read_item(item_id: int, q: Union[str, None] = None):
     return {"item_id": item_id, "q": q}
 ```
 
@@ -167,6 +169,8 @@ def read_item(item_id: int, q: str = None):
 `async` / `await`を使用するときは、 `async def`を使います:
 
 ```Python hl_lines="7 12"
+from typing import Union
+
 from fastapi import FastAPI
 
 app = FastAPI()
@@ -178,7 +182,7 @@ async def read_root():
 
 
 @app.get("/items/{item_id}")
-async def read_item(item_id: int, q: str = None):
+async def read_item(item_id: int, q: Union[str, None] = None):
     return {"item_id": item_id, "q": q}
 ```