From c7e3e9890d775d1d641a4ec36d6fd0a46b8cf759 Mon Sep 17 00:00:00 2001
From: Jelle Zijlstra <jelle.zijlstra@gmail.com>
Date: Fri, 27 Apr 2018 14:38:00 -0700
Subject: [PATCH] add UserDict.__init__ for Python 3 (#2083)

Fixes #2075
---
 stdlib/3/collections/__init__.pyi | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/stdlib/3/collections/__init__.pyi b/stdlib/3/collections/__init__.pyi
index e68807c91..9c9f0cb0a 100644
--- a/stdlib/3/collections/__init__.pyi
+++ b/stdlib/3/collections/__init__.pyi
@@ -65,7 +65,8 @@ else:
 _UserDictT = TypeVar('_UserDictT', bound=UserDict)
 
 class UserDict(MutableMapping[_KT, _VT]):
-    data = ...  # type: Mapping[_KT, _VT]
+    data: Mapping[_KT, _VT]
+    def __init__(self, dict: Optional[Mapping[_KT, _VT]] = ..., **kwargs: _VT) -> None: ...
     def __len__(self) -> int: ...
     def __getitem__(self, key: _KT) -> _VT: ...
     def __setitem__(self, key: _KT, item: _VT) -> None: ...