add check for ssl.CertificateError

chrislea · chrislea · commit a8d8c38e36d0 · 2013-03-29T15:33:02.000-07:00
diff --git a/tornado/netutil.py b/tornado/netutil.py
@@ -321,7 +321,7 @@ def ssl_wrap_socket(socket, ssl_options, server_hostname=None, **kwargs):
     else:
         return ssl.wrap_socket(socket, **dict(context, **kwargs))
 
-if hasattr(ssl, 'match_hostname'):  # python 3.2+
+if hasattr(ssl, 'match_hostname') and hasattr(ssl, 'CertificateError'):  # python 3.2+
     ssl_match_hostname = ssl.match_hostname
     SSLCertificateError = ssl.CertificateError
 else:
