lib/py/test/test_sslsocket.py is flaky

...
/usr/bin/python3 test/thrift_json.py
.
----------------------------------------------------------------------
Ran 1 test in 0.011s

OK
/usr/bin/python3 test/test_sslsocket.py
.FFFsys:1: ResourceWarning: unclosed <ssl.SSLSocket fd=4, family=AddressFamily.AF_INET6, type=SocketKind.SOCK_STREAM, proto=0, laddr=('::1', 23458, 0, 0), raddr=('::1', 41151, 0, 0)>
F/thrift/lib/py/build/lib/thrift/transport/TSSLSocket.py:253: DeprecationWarning: validate is deprecated. Use cert_reqs=ssl.CERT_REQUIRED instead
  DeprecationWarning)
/thrift/lib/py/build/lib/thrift/transport/TSSLSocket.py:253: DeprecationWarning: validate is deprecated. Use cert_reqs=ssl.CERT_NONE instead
  DeprecationWarning)
.sys:1: ResourceWarning: unclosed <ssl.SSLSocket fd=5, family=AddressFamily.AF_INET6, type=SocketKind.SOCK_STREAM, proto=0, laddr=('::1', 23458, 0, 0), raddr=('::1', 41155, 0, 0)>
F/thrift/lib/py/build/lib/thrift/transport/TSSLSocket.py:265: DeprecationWarning: Use cert_reqs instead
  warnings.warn('Use cert_reqs instead', DeprecationWarning)
.sys:1: ResourceWarning: unclosed <ssl.SSLSocket fd=4, family=AddressFamily.AF_INET6, type=SocketKind.SOCK_STREAM, proto=0, laddr=('::1', 23458, 0, 0), raddr=('::1', 41157, 0, 0)>
Exception in thread Thread-11:
Traceback (most recent call last):
  File "/usr/lib/python3.4/threading.py", line 920, in _bootstrap_inner
    self.run()
  File "test/test_sslsocket.py", line 60, in run
    self.client = self._server.accept()
  File "/thrift/lib/py/build/lib/thrift/transport/TSSLSocket.py", line 418, in accept
    client = self._wrap_socket(plain_client)
  File "/thrift/lib/py/build/lib/thrift/transport/TSSLSocket.py", line 181, in _wrap_socket
    server_hostname=self._server_hostname)
  File "/usr/lib/python3.4/ssl.py", line 365, in wrap_socket
    _context=self)
  File "/usr/lib/python3.4/ssl.py", line 601, in __init__
    self.do_handshake()
  File "/usr/lib/python3.4/ssl.py", line 828, in do_handshake
    self._sslobj.do_handshake()
ConnectionResetError: [Errno 104] Connection reset by peer

PROTOCOL_SSLv2 is not available
..test/test_sslsocket.py:59: ResourceWarning: unclosed <socket.socket fd=3, family=AddressFamily.AF_UNIX, type=SocketKind.SOCK_STREAM, proto=0>
  self._server.listen()
.
======================================================================
FAIL: test_client_cert (__main__.TSSLSocketTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "test/test_sslsocket.py", line 210, in test_client_cert
    self._assert_connection_success(server, client)
  File "test/test_sslsocket.py", line 112, in _assert_connection_success
    self.assertTrue(acc.client is not None)
AssertionError: False is not true

======================================================================
FAIL: test_deprecation (__main__.TSSLSocketTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "test/test_sslsocket.py", line 138, in test_deprecation
    self.assertEqual(len(w), 3)
AssertionError: 4 != 3

======================================================================
FAIL: test_newer_tls (__main__.TSSLSocketTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "test/test_sslsocket.py", line 268, in test_newer_tls
    self._assert_connection_success(server, client)
  File "test/test_sslsocket.py", line 112, in _assert_connection_success
    self.assertTrue(acc.client is not None)
AssertionError: False is not true

======================================================================
FAIL: test_server_cert (__main__.TSSLSocketTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "test/test_sslsocket.py", line 172, in test_server_cert
    self._assert_connection_success(server, client)
  File "test/test_sslsocket.py", line 112, in _assert_connection_success
    self.assertTrue(acc.client is not None)
AssertionError: False is not true

======================================================================
FAIL: test_set_server_cert (__main__.TSSLSocketTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "test/test_sslsocket.py", line 191, in test_set_server_cert
    self._assert_connection_success(server, client)
  File "test/test_sslsocket.py", line 112, in _assert_connection_success
    self.assertTrue(acc.client is not None)
AssertionError: False is not true

----------------------------------------------------------------------
Ran 11 tests in 5.240s

FAILED (failures=5)
make[3]: *** [py3-test] Error 1
make[3]: Leaving directory `/thrift/lib/py'
make[2]: *** [check-am] Error 2
make[2]: Leaving directory `/thrift/lib/py'
make[1]: *** [check-recursive] Error 1
make[1]: Leaving directory `/thrift/lib'
make: *** [check-recursive] Error 1
Build step 'Execute shell' marked build as failure
[WARNINGS] Skipping publisher since build result is FAILURE
[TASKS] Skipping publisher since build result is FAILURE
Archiving artifacts
Compressed 47.75 MB of artifacts by 95.2% relative to #55
Publishing Javadoc
Update relevant JIRA issues is waiting for a checkpoint on Thrift-precommit #85
Sending e-mails to: dev@thrift.apache.org
Finished: FAILURE