From e560ce0f57f23a82fd8183c762d1e3f23d4e4343 Mon Sep 17 00:00:00 2001
From: Shantanu <hauntsaninja@users.noreply.github.com>
Date: Sun, 24 May 2020 17:53:03 -0700
Subject: [PATCH] bisect: hi is Optional (#4063)

Shows up in 3.9 because of https://github.com/python/cpython/pull/20163

Co-authored-by: hauntsaninja <>
---
 stdlib/2and3/_bisect.pyi | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/stdlib/2and3/_bisect.pyi b/stdlib/2and3/_bisect.pyi
index 4237e0508..43ee44bba 100644
--- a/stdlib/2and3/_bisect.pyi
+++ b/stdlib/2and3/_bisect.pyi
@@ -1,9 +1,9 @@
 """Stub file for the '_bisect' module."""
 
-from typing import Sequence, MutableSequence, TypeVar
+from typing import Optional, Sequence, MutableSequence, TypeVar
 
 _T = TypeVar('_T')
-def bisect_left(a: Sequence[_T], x: _T, lo: int = ..., hi: int = ...) -> int: ...
-def bisect_right(a: Sequence[_T], x: _T, lo: int = ..., hi: int = ...) -> int: ...
-def insort_left(a: MutableSequence[_T], x: _T, lo: int = ..., hi: int = ...) -> None: ...
-def insort_right(a: MutableSequence[_T], x: _T, lo: int = ..., hi: int = ...) -> None: ...
+def bisect_left(a: Sequence[_T], x: _T, lo: int = ..., hi: Optional[int] = ...) -> int: ...
+def bisect_right(a: Sequence[_T], x: _T, lo: int = ..., hi: Optional[int] = ...) -> int: ...
+def insort_left(a: MutableSequence[_T], x: _T, lo: int = ..., hi: Optional[int] = ...) -> None: ...
+def insort_right(a: MutableSequence[_T], x: _T, lo: int = ..., hi: Optional[int] = ...) -> None: ...