From 4ec6824896e22637a421cb99fdde694f0a1cdbc5 Mon Sep 17 00:00:00 2001
From: Neal Norwitz <nnorwitz@gmail.com>
Date: Fri, 11 Apr 2003 03:05:56 +0000
Subject: Fix test_tarfile failure when gzip is not available The module would
 exist, but be empty if already imported. This change ensures we have gzip
 available.

---
 Lib/tarfile.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Lib/tarfile.py b/Lib/tarfile.py
index 152b23c..af733de 100644
--- a/Lib/tarfile.py
+++ b/Lib/tarfile.py
@@ -923,7 +923,8 @@ class TarFile(object):
 
         try:
             import gzip
-        except ImportError:
+            gzip.GzipFile
+        except (ImportError, AttributeError):
             raise CompressionError, "gzip module is not available"
 
         pre, ext = os.path.splitext(name)
-- 
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