From c5aa191f946457040e28a7f5974df91fe0763d70 Mon Sep 17 00:00:00 2001
From: Jelle Zijlstra <jelle.zijlstra@gmail.com>
Date: Sun, 16 Jul 2017 18:39:30 -0700
Subject: [PATCH] make io.IncrementalNewlineDecoder concrete

Part of #1476
---
 stdlib/3/io.pyi | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/stdlib/3/io.pyi b/stdlib/3/io.pyi
index 4b1deb742e21..a45cc9f04183 100644
--- a/stdlib/3/io.pyi
+++ b/stdlib/3/io.pyi
@@ -1,5 +1,3 @@
-# Stubs for io
-
 from typing import (
     List, BinaryIO, TextIO, Iterator, Union, Optional, Callable, Tuple, Any, IO, Iterable
 )
@@ -257,4 +255,5 @@ class StringIO(TextIOWrapper):
     def getvalue(self) -> str: ...
     def __enter__(self) -> 'StringIO': ...
 
-class IncrementalNewlineDecoder(codecs.IncrementalDecoder): ...
+class IncrementalNewlineDecoder(codecs.IncrementalDecoder):
+    def decode(self, input: codecs._encoded, final: bool = ...) -> codecs._decoded: ...