Bug #1223937: CalledProcessError.errno -> CalledProcessError.returncode.
diff --git a/Lib/test/test_subprocess.py b/Lib/test/test_subprocess.py
index 483e202..f2c3083 100644
--- a/Lib/test/test_subprocess.py
+++ b/Lib/test/test_subprocess.py
@@ -68,7 +68,7 @@
             subprocess.check_call([sys.executable, "-c",
                                    "import sys; sys.exit(47)"])
         except subprocess.CalledProcessError, e:
-            self.assertEqual(e.errno, 47)
+            self.assertEqual(e.returncode, 47)
         else:
             self.fail("Expected CalledProcessError")