From c19e266dcfde9e8648c5f000bfa1fa88524f8ba8 Mon Sep 17 00:00:00 2001
From: Yusuke Miyazaki <ymyzk@users.noreply.github.com>
Date: Sat, 20 May 2017 09:02:57 +0900
Subject: [PATCH] Fix StringIO stub for Python 3 (#1275)

---
 stdlib/3/io.pyi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/stdlib/3/io.pyi b/stdlib/3/io.pyi
index 167385318..a22955bb1 100644
--- a/stdlib/3/io.pyi
+++ b/stdlib/3/io.pyi
@@ -255,5 +255,6 @@ class StringIO(TextIOWrapper):
                  newline: Optional[str] = ...) -> None: ...
     name = ...  # type: str
     def getvalue(self) -> str: ...
+    def __enter__(self) -> 'StringIO': ...
 
 class IncrementalNewlineDecoder(codecs.IncrementalDecoder): ...