From b7530cc79e9f370b07dfae33d5eed30ee507e1fa Mon Sep 17 00:00:00 2001
From: hauntsaninja <hauntsaninja@users.noreply.github.com>
Date: Sun, 5 Jan 2020 06:11:38 -0800
Subject: [PATCH] Add __init__ for subclasses of MappingView in python2 (#3570)

Resolves #3549 for python2
---
 stdlib/2/typing.pyi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/stdlib/2/typing.pyi b/stdlib/2/typing.pyi
index 45eb2e49d..db7c77a2e 100644
--- a/stdlib/2/typing.pyi
+++ b/stdlib/2/typing.pyi
@@ -231,14 +231,17 @@ class MappingView(object):
     def __len__(self) -> int: ...
 
 class ItemsView(MappingView, AbstractSet[Tuple[_KT_co, _VT_co]], Generic[_KT_co, _VT_co]):
+    def __init__(self, mapping: Mapping[_KT_co, _VT_co]) -> None: ...
     def __contains__(self, o: object) -> bool: ...
     def __iter__(self) -> Iterator[Tuple[_KT_co, _VT_co]]: ...
 
 class KeysView(MappingView, AbstractSet[_KT_co], Generic[_KT_co]):
+    def __init__(self, mapping: Mapping[_KT_co, _VT_co]) -> None: ...
     def __contains__(self, o: object) -> bool: ...
     def __iter__(self) -> Iterator[_KT_co]: ...
 
 class ValuesView(MappingView, Iterable[_VT_co], Generic[_VT_co]):
+    def __init__(self, mapping: Mapping[_KT_co, _VT_co]) -> None: ...
     def __contains__(self, o: object) -> bool: ...
     def __iter__(self) -> Iterator[_VT_co]: ...