From: Guido van Rossum <guido@python.org>
Date: Tue, 10 Jul 2007 12:00:45 +0000 (+0000)
Subject: Set closed flag *after* calling flush().
X-Git-Tag: v3.0a1~711
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=469734b996915d2257639a671715539ad42e2576;p=python

Set closed flag *after* calling flush().
---

diff --git a/Lib/io.py b/Lib/io.py
index 72c9e1785a..ed946659ef 100644
--- a/Lib/io.py
+++ b/Lib/io.py
@@ -227,8 +227,10 @@ class IOBase:
         'closed' property (see below) to test.
         """
         if not self.__closed:
-            self.__closed = True
-            self.flush()
+            try:
+                self.flush()
+            finally:
+                self.__closed = True
 
     def __del__(self) -> None:
         """Destructor.  Calls close()."""