✏ Fix wrong import from typing module in Persian translations for `docs/fa/docs/index...

diff --git a/docs/fa/docs/index.md b/docs/fa/docs/index.md
index dfc4d24e33c7b7a1fd7b3d1a55c8e23cba86ff80..ebaa8085aa48891f3f596092468552cf5927233f 100644 (file)
--- a/docs/fa/docs/index.md
+++ b/docs/fa/docs/index.md
@@ -143,7 +143,7 @@ $ pip install "uvicorn[standard]"
 * فایلی به نام  `main.py` با محتوای زیر ایجاد کنید :
 
 ```Python
-from typing import Optional
+from typing import Union
 
 from fastapi import FastAPI