Skip the test requiring ctypes if ctypes is unavailable.

prevents http://buildbot.python.org/all/builders/x86%20Ubuntu%20Shared%203.x/builds/240/steps/test/logs/stdio

1 files changed, 6 insertions, 1 deletions

diff --git a/Lib/test/test_subprocess.py b/Lib/test/test_subprocess.py
index d747845bc9..e63f9f254c 100644
--- a/Lib/test/test_subprocess.py
+++ b/Lib/test/test_subprocess.py
@@ -4,7 +4,6 @@ from test import support
 import subprocess
 import sys
 import platform
-import ctypes
 import signal
 import io
 import os
@@ -19,6 +18,11 @@ import gc
 import textwrap
 
 try:
+    import ctypes
+except ImportError:
+    ctypes = None
+
+try:
     import threading
 except ImportError:
     threading = None
@@ -2504,6 +2508,7 @@ class POSIXProcessTestCase(BaseTestCase):
       'Linux': 'so.6',
       'Darwin': 'dylib',
     }
+    @unittest.skipIf(not ctypes, 'ctypes module required.')
     @unittest.skipIf(platform.uname()[0] not in _libc_file_extensions,
                      'Test requires a libc this code can load with ctypes.')
     @unittest.skipIf(not sys.executable, 'Test requires sys.executable.')