From 10889422df20c20cd7e0afb811c3284897fa181e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=B0=AD=E4=B9=9D=E9=BC=8E?= <109224573@qq.com>
Date: Fri, 4 Jun 2021 16:20:22 +0800
Subject: [PATCH] argparse#add_argument: make choices optional (#5574)

---
 stdlib/argparse.pyi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stdlib/argparse.pyi b/stdlib/argparse.pyi
index 2d5efdf4e..ec9ce24bc 100644
--- a/stdlib/argparse.pyi
+++ b/stdlib/argparse.pyi
@@ -69,7 +69,7 @@ class _ActionsContainer:
         const: Any = ...,
         default: Any = ...,
         type: Union[Callable[[str], _T], Callable[[str], _T], FileType] = ...,
-        choices: Iterable[_T] = ...,
+        choices: Optional[Iterable[_T]] = ...,
         required: bool = ...,
         help: Optional[str] = ...,
         metavar: Optional[Union[str, Tuple[str, ...]]] = ...,