From 2e0419dcd69cab245d30b92a7f442fd4617ca8f8 Mon Sep 17 00:00:00 2001
From: Alexandre Vassalotti <alexandre@peadrop.com>
Date: Wed, 7 May 2008 00:09:04 +0000
Subject: [PATCH] Cleaned how _BytesIO.read() returns an empty bytes object.

Thank you, Guido, for noticing!
---
 Lib/io.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/io.py b/Lib/io.py
index a88b5a41fe..940c4c776c 100644
--- a/Lib/io.py
+++ b/Lib/io.py
@@ -794,7 +794,7 @@ class _BytesIO(BufferedIOBase):
         if n < 0:
             n = len(self._buffer)
         if len(self._buffer) <= self._pos:
-            return bytes(self._buffer[:0])
+            return b""
         newpos = min(len(self._buffer), self._pos + n)
         b = self._buffer[self._pos : newpos]
         self._pos = newpos
-- 
2.50.1