From 820cc112561b9db0833806b8a65bacc62589ff7d Mon Sep 17 00:00:00 2001
From: Paul <2528280+psfrolov@users.noreply.github.com>
Date: Sun, 25 Oct 2020 03:02:58 +0300
Subject: [PATCH] Provide types for ArgumentError members. (#4700)

---
 stdlib/2and3/argparse.pyi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/stdlib/2and3/argparse.pyi b/stdlib/2and3/argparse.pyi
index b09dccc44..a08f117d5 100644
--- a/stdlib/2and3/argparse.pyi
+++ b/stdlib/2and3/argparse.pyi
@@ -38,6 +38,8 @@ ZERO_OR_MORE: str
 _UNRECOGNIZED_ARGS_ATTR: str  # undocumented
 
 class ArgumentError(Exception):
+    argument_name: Optional[str]
+    message: str
     def __init__(self, argument: Optional[Action], message: str) -> None: ...
 
 # undocumented