From ef17c16b366b09a78dfe5fc5171fe2b0b29f60e5 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Sun, 18 Mar 2007 03:42:15 +0000
Subject: Bug 1679498: remove unused instance variables _readable, _writable
 and _seekable.

---
 Lib/io.py | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/Lib/io.py b/Lib/io.py
index 59c4b06..4e91691 100644
--- a/Lib/io.py
+++ b/Lib/io.py
@@ -196,7 +196,6 @@ class _PyFileIO(RawIOBase):
             flags = os.O_RDONLY
         elif mode == "w":
             flags = os.O_WRONLY | os.O_CREAT | os.O_TRUNC
-            self._writable = True
         elif mode == "r+":
             flags = os.O_RDWR
         else:
@@ -271,9 +270,6 @@ class SocketIO(RawIOBase):
         assert mode in ("r", "w", "rw")
         self._sock = sock
         self._mode = mode
-        self._readable = "r" in mode
-        self._writable = "w" in mode
-        self._seekable = False
 
     def readinto(self, b):
         return self._sock.recv_into(b)
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