Prevent exception in atexit handlers when cert store's tempfile

is already cleaned up by py.test.

1 files changed, 6 insertions, 0 deletions

diff --git a/setuptools/ssl_support.py b/setuptools/ssl_support.py
index cc7db067..7394f4f5 100644
--- a/setuptools/ssl_support.py
+++ b/setuptools/ssl_support.py
@@ -223,6 +223,12 @@ def get_win_certfile():
             self.addcerts(certs)
             atexit.register(self.close)
 
+        def close(self):
+            try:
+                super(MyCertFile, self).close()
+            except OSError:
+                pass
+
     _wincerts = MyCertFile(stores=['CA', 'ROOT'])
     return _wincerts.name