From 9a32f0d26a32ecef457a6a7b98ae814e07b05ee7 Mon Sep 17 00:00:00 2001
From: cshesse <48501609+cshesse@users.noreply.github.com>
Date: Tue, 3 Dec 2019 23:20:07 -0800
Subject: [PATCH] add raw property to BufferedIOBase (#3483)

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

diff --git a/stdlib/3/io.pyi b/stdlib/3/io.pyi
index ee595f3f6..d835219dd 100644
--- a/stdlib/3/io.pyi
+++ b/stdlib/3/io.pyi
@@ -53,6 +53,7 @@ class RawIOBase(IOBase):
     def read(self, size: int = ...) -> Optional[bytes]: ...
 
 class BufferedIOBase(IOBase):
+    raw: RawIOBase  # This is not part of the BufferedIOBase API and may not exist on some implementations.
     def detach(self) -> RawIOBase: ...
     def readinto(self, b: _bytearray_like) -> int: ...
     def write(self, b: Union[bytes, bytearray]) -> int: ...