From 87dcb170cedbf4f824012e379a49039c0929fafd Mon Sep 17 00:00:00 2001
From: Udi Fuchs <udifuchs@gmail.com>
Date: Sun, 24 Jan 2021 08:07:31 -0600
Subject: [PATCH] Add SupportsIndex to list indexing. (#4804)

---
 stdlib/3/builtins.pyi                         | 6 +++---
 third_party/2and3/werkzeug/datastructures.pyi | 8 +++++++-
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/stdlib/3/builtins.pyi b/stdlib/3/builtins.pyi
index d46a08dc0..200711781 100644
--- a/stdlib/3/builtins.pyi
+++ b/stdlib/3/builtins.pyi
@@ -726,14 +726,14 @@ class list(MutableSequence[_T], Generic[_T]):
     def __str__(self) -> str: ...
     __hash__: None  # type: ignore
     @overload
-    def __getitem__(self, i: int) -> _T: ...
+    def __getitem__(self, i: _SupportsIndex) -> _T: ...
     @overload
     def __getitem__(self, s: slice) -> List[_T]: ...
     @overload
-    def __setitem__(self, i: int, o: _T) -> None: ...
+    def __setitem__(self, i: _SupportsIndex, o: _T) -> None: ...
     @overload
     def __setitem__(self, s: slice, o: Iterable[_T]) -> None: ...
-    def __delitem__(self, i: Union[int, slice]) -> None: ...
+    def __delitem__(self, i: Union[_SupportsIndex, slice]) -> None: ...
     def __add__(self, x: List[_T]) -> List[_T]: ...
     def __iadd__(self: _S, x: Iterable[_T]) -> _S: ...
     def __mul__(self, n: int) -> List[_T]: ...
diff --git a/third_party/2and3/werkzeug/datastructures.pyi b/third_party/2and3/werkzeug/datastructures.pyi
index d04de7ce6..046e669cb 100644
--- a/third_party/2and3/werkzeug/datastructures.pyi
+++ b/third_party/2and3/werkzeug/datastructures.pyi
@@ -1,3 +1,4 @@
+import sys
 from _typeshed import SupportsWrite
 from typing import (
     IO,
@@ -21,6 +22,11 @@ from typing import (
     overload,
 )
 
+if sys.version_info >= (3, 8):
+    from typing import SupportsIndex
+else:
+    from typing_extensions import SupportsIndex
+
 _K = TypeVar("_K")
 _V = TypeVar("_V")
 _R = TypeVar("_R")
@@ -264,7 +270,7 @@ class Accept(ImmutableList[Tuple[str, float]]):
     provided: bool
     def __init__(self, values: Union[None, Accept, Iterable[Tuple[str, float]]] = ...) -> None: ...
     @overload
-    def __getitem__(self, key: int) -> Tuple[str, float]: ...
+    def __getitem__(self, key: SupportsIndex) -> Tuple[str, float]: ...
     @overload
     def __getitem__(self, s: slice) -> List[Tuple[str, float]]: ...
     @overload