Fix #11513: wrong exception handling for the case that GzipFile itself raises an IOError.
diff --git a/Misc/NEWS b/Misc/NEWS
index 354d09a..328ec61 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -44,6 +44,9 @@
 Library
 -------
 
+- Issue #11513: Fix exception handling ``tarfile.TarFile.gzopen()`` when
+  the file cannot be opened.
+
 - Issue #12687: Fix a possible buffering bug when unpickling text mode
   (protocol 0, mostly) pickles.