Incompatible with redis==2.8.0

[nick-allen]

Redis requirements list redis>=2.8.
Running a celery task with celery==3.1.17, kombu==3.0.35, and redis==2.8.0 installed:

Traceback (most recent call last):
  File "<console>", line 1, in <module>
  File "/usr/local/lib/python2.7/site-packages/celery/app/task.py", line 453, in delay
    return self.apply_async(args, kwargs)
  File "/usr/local/lib/python2.7/site-packages/celery/app/task.py", line 555, in apply_async
    **dict(self._get_exec_options(), **options)
  File "/usr/local/lib/python2.7/site-packages/celery/app/base.py", line 353, in send_task
    reply_to=reply_to or self.oid, **options
  File "/usr/local/lib/python2.7/site-packages/celery/app/amqp.py", line 305, in publish_task
    **kwargs
  File "/usr/local/lib/python2.7/site-packages/kombu/messaging.py", line 172, in publish
    routing_key, mandatory, immediate, exchange, declare)
  File "/usr/local/lib/python2.7/site-packages/kombu/connection.py", line 436, in _ensured
    return fun(*args, **kwargs)
  File "/usr/local/lib/python2.7/site-packages/kombu/messaging.py", line 177, in _publish
    channel = self.channel
  File "/usr/local/lib/python2.7/site-packages/kombu/messaging.py", line 194, in _get_channel
    channel = self._channel = channel()
  File "/usr/local/lib/python2.7/site-packages/kombu/utils/__init__.py", line 425, in __call__
    value = self.__value__ = self.__contract__()
  File "/usr/local/lib/python2.7/site-packages/kombu/messaging.py", line 209, in <lambda>
    channel = ChannelPromise(lambda: connection.default_channel)
  File "/usr/local/lib/python2.7/site-packages/kombu/connection.py", line 757, in default_channel
    self.connection
  File "/usr/local/lib/python2.7/site-packages/kombu/connection.py", line 742, in connection
    self._connection = self._establish_connection()
  File "/usr/local/lib/python2.7/site-packages/kombu/connection.py", line 697, in _establish_connection
    conn = self.transport.establish_connection()
  File "/usr/local/lib/python2.7/site-packages/kombu/transport/virtual/__init__.py", line 809, in establish_connection
    self._avail_channels.append(self.create_channel(self))
  File "/usr/local/lib/python2.7/site-packages/kombu/transport/virtual/__init__.py", line 791, in create_channel
    channel = self.Channel(connection)
  File "/usr/local/lib/python2.7/site-packages/kombu/transport/redis.py", line 464, in __init__
    self.client.info()
  File "/usr/local/lib/python2.7/site-packages/kombu/utils/__init__.py", line 325, in __get__
    value = obj.__dict__[self.__name__] = self.__get(obj)
  File "/usr/local/lib/python2.7/site-packages/kombu/transport/redis.py", line 908, in client
    return self._create_client(async=True)
  File "/usr/local/lib/python2.7/site-packages/kombu/transport/redis.py", line 861, in _create_client
    return self.AsyncClient(connection_pool=self.async_pool)
  File "/usr/local/lib/python2.7/site-packages/kombu/transport/redis.py", line 882, in __init__
    self.connection = self.connection_pool.get_connection('_')
  File "/usr/local/lib/python2.7/site-packages/redis/connection.py", line 405, in get_connection
    connection = self.make_connection()
  File "/usr/local/lib/python2.7/site-packages/redis/connection.py", line 414, in make_connection
    return self.connection_class(**self.connection_kwargs)
TypeError: __init__() got an unexpected keyword argument 'socket_connect_timeout'

Same problem occurs with redis==2.9.

Upgrading to redis==2.10 resolved the issue, and the task ran as expected.