From 5554b0b19bfa9568004f09e93ff6e492dabf3685 Mon Sep 17 00:00:00 2001
From: Jelle Zijlstra <jelle.zijlstra@gmail.com>
Date: Wed, 25 Apr 2018 21:30:31 -0700
Subject: [PATCH] argparse.ArgumentParser.error never returns (#2082)

And neither does `.exit`.

Fixes #2081.
---
 stdlib/2and3/argparse.pyi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/stdlib/2and3/argparse.pyi b/stdlib/2and3/argparse.pyi
index 4cbf83bc8..88b909793 100644
--- a/stdlib/2and3/argparse.pyi
+++ b/stdlib/2and3/argparse.pyi
@@ -138,8 +138,8 @@ class ArgumentParser(_AttributeHolder, _ActionsContainer):
     def parse_known_args(self, args: Optional[Sequence[_Text]] = ...,
                          namespace: Optional[Namespace] = ...) -> Tuple[Namespace, List[str]]: ...
     def convert_arg_line_to_args(self, arg_line: _Text) -> List[str]: ...
-    def exit(self, status: int = ..., message: Optional[_Text] = ...) -> None: ...
-    def error(self, message: _Text) -> None: ...
+    def exit(self, status: int = ..., message: Optional[_Text] = ...) -> NoReturn: ...
+    def error(self, message: _Text) -> NoReturn: ...
     if sys.version_info >= (3, 7):
         def parse_intermixed_args(self, args: Optional[Sequence[_Text]] = ...,
                                   namespace: Optional[Namespace] = ...) -> Namespace: ...