From 5b63540b4bcf3acbc503194957a375f6b3d43989 Mon Sep 17 00:00:00 2001
From: Dominic <yobmod@gmail.com>
Date: Thu, 16 May 2019 10:58:54 +0100
Subject: [PATCH] Add sys.breakpointhook() and sys.__breakpointhook__ (#2991)

Closes #2979
---
 stdlib/3/sys.pyi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/stdlib/3/sys.pyi b/stdlib/3/sys.pyi
index 0e7b47600..3f856bbc9 100644
--- a/stdlib/3/sys.pyi
+++ b/stdlib/3/sys.pyi
@@ -188,6 +188,10 @@ def intern(string: str) -> str: ...
 if sys.version_info >= (3, 5):
     def is_finalizing() -> bool: ...
 
+if sys.version_info >= (3, 7):
+    __breakpointhook__: Any  # contains the original value of breakpointhook
+    def breakpointhook(*args: Any, **kwargs: Any) -> Any: ...
+
 def setcheckinterval(interval: int) -> None: ...  # deprecated
 def setdlopenflags(n: int) -> None: ...  # Linux only
 def setrecursionlimit(limit: int) -> None: ...