From 5162c536c88c4bf46ab74ef09a51165597e90d49 Mon Sep 17 00:00:00 2001
From: Jukka Lehtosalo <jukka.lehtosalo@iki.fi>
Date: Tue, 10 Mar 2020 12:15:20 +0000
Subject: [PATCH] Make attributes of inspect.ArgSpec optional in Python 3
 (#3838)

This makes them consistent with Python 2 stubs.

The attributes are documented here:
https://docs.python.org/3/library/inspect.html#inspect.getargspec
---
 stdlib/3/inspect.pyi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/stdlib/3/inspect.pyi b/stdlib/3/inspect.pyi
index 65fe700c3..9696067cc 100644
--- a/stdlib/3/inspect.pyi
+++ b/stdlib/3/inspect.pyi
@@ -175,8 +175,8 @@ def getclasstree(classes: List[type], unique: bool = ...) -> Any: ...
 
 class ArgSpec(NamedTuple):
     args: List[str]
-    varargs: str
-    keywords: str
+    varargs: Optional[str]
+    keywords: Optional[str]
     defaults: Tuple[Any, ...]
 
 class Arguments(NamedTuple):