Test failure - Ubuntu 12.04 | serverVersion 3.6 | Sharded

 $ python setup.py test

 running test

 running egg_info

 creating pymongo.egg-info

 writing requirements to pymongo.egg-info/requires.txt

 writing pymongo.egg-info/PKG-INFO

 writing top-level names to pymongo.egg-info/top_level.txt

 writing dependency_links to pymongo.egg-info/dependency_links.txt

 writing manifest file 'pymongo.egg-info/SOURCES.txt'

 reading manifest file 'pymongo.egg-info/SOURCES.txt'

 reading manifest template 'MANIFEST.in'

 /data/mci/0783427835327bd2f245807bd3635821/src/pymongo/uri_parser.py:207: UserWarning: Option 'ssl_ca_certs' is deprecated, use 'tlsCAFile' instead.

   newoptname))

 Traceback (most recent call last):

   File "setup.py", line 390, in <module>

     **extra_opts

 writing manifest file 'pymongo.egg-info/SOURCES.txt'

   File "/data/mci/0783427835327bd2f245807bd3635821/src/pymongotestvenv/local/lib/python2.7/site-packages/setuptools/__init__.py", line 145, in setup

 running build_ext

 Skipping test 'Valid options specific to single-threaded drivers are parsed correctly'

 Skipping test 'Invalid serverSelectionTryOnce causes a warning'

     return distutils.core.setup(**attrs)

   File "/usr/lib/python2.7/distutils/core.py", line 152, in setup

     dist.run_commands()

   File "/usr/lib/python2.7/distutils/dist.py", line 953, in run_commands

     self.run_command(cmd)

   File "/usr/lib/python2.7/distutils/dist.py", line 972, in run_command

     cmd_obj.run()

   File "setup.py", line 130, in run

     result = runner.run(suite)

   File "/data/mci/0783427835327bd2f245807bd3635821/src/test/__init__.py", line 745, in run

     setup()

   File "/data/mci/0783427835327bd2f245807bd3635821/src/test/__init__.py", line 728, in setup

     client_context.init()

   File "/data/mci/0783427835327bd2f245807bd3635821/src/test/__init__.py", line 313, in init

     self._init_client()

   File "/data/mci/0783427835327bd2f245807bd3635821/src/test/__init__.py", line 306, in _init_client

     ismaster = mongos_client.admin.command('ismaster')

   File "/data/mci/0783427835327bd2f245807bd3635821/src/pymongo/database.py", line 658, in command

     codec_options, session=session, **kwargs)

   File "/data/mci/0783427835327bd2f245807bd3635821/src/pymongo/database.py", line 555, in _command

     client=self.__client)

   File "/data/mci/0783427835327bd2f245807bd3635821/src/pymongo/pool.py", line 584, in command

     user_fields=user_fields)

   File "/data/mci/0783427835327bd2f245807bd3635821/src/pymongo/network.py", line 158, in command

     parse_write_concern_error=parse_write_concern_error)

   File "/data/mci/0783427835327bd2f245807bd3635821/src/pymongo/helpers.py", line 155, in _check_command_response

     raise OperationFailure(msg % errmsg, code, response)

 pymongo.errors.OperationFailure: there are no users authenticated