From 1c02f14dc132041f1444d06260df6b0af70ddd43 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@dropbox.com>
Date: Mon, 11 Jan 2016 15:32:43 -0800
Subject: [PATCH] Make Reversible covariant. Fixes #19. (Though it does not
 seem to be *necessary*.)

---
 stdlib/2.7/typing.pyi | 2 +-
 stdlib/3/typing.pyi   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/stdlib/2.7/typing.pyi b/stdlib/2.7/typing.pyi
index f29c48254..edd0a8d00 100644
--- a/stdlib/2.7/typing.pyi
+++ b/stdlib/2.7/typing.pyi
@@ -60,7 +60,7 @@ class SupportsRound(Generic[_T]):
     @abstractmethod
     def __round__(self, ndigits: int = ...) -> _T: ...
 
-class Reversible(Generic[_T]):
+class Reversible(Generic[_T_co]):
     @abstractmethod
     def __reversed__(self) -> Iterator[_T]: ...
 
diff --git a/stdlib/3/typing.pyi b/stdlib/3/typing.pyi
index da4f69f8f..783874d47 100644
--- a/stdlib/3/typing.pyi
+++ b/stdlib/3/typing.pyi
@@ -70,7 +70,7 @@ class SupportsRound(Generic[_T]):
     @abstractmethod
     def __round__(self, ndigits: int = ...) -> _T: ...
 
-class Reversible(Generic[_T]):
+class Reversible(Generic[_T_co]):
     @abstractmethod
     def __reversed__(self) -> Iterator[_T]: ...