Riak enable_search() problem

fails.py

>>> import riak
>>> from riak.test_server import TestServer
>>> 
>>> riak_bin_path = '/usr/local/Cellar/riak/HEAD/bin/'
>>> 
>>> server = TestServer(bin_dir=riak_bin_path)
>>> server.prepare()
>>> server.start()
>>> 
>>> client = riak.RiakClient(
...     port = 9002,
...     transport_class = riak.RiakPbcTransport,
... )
>>> 
>>> bucket = client.bucket('test')
>>> 
>>> bucket.search_enabled()
False
>>> 
>>> bucket.enable_search()
True
>>> 
>>> bucket.search_enabled()
False
>>> 
>>> server.stop()
>>> server.cleanup()
>>> 

works.py

>>> import riak
>>> from riak.test_server import TestServer
>>> 
>>> riak_bin_path = '/usr/local/Cellar/riak/HEAD/bin/'
>>> 
>>> server = TestServer(bin_dir=riak_bin_path)
>>> server.prepare()
>>> server.start()
>>> 
>>> client = riak.RiakClient(
...     port = 9000,
... )
>>> 
>>> bucket = client.bucket('test')
>>> 
>>> bucket.search_enabled()
False
>>> 
>>> bucket.enable_search()
True
>>> 
>>> bucket.search_enabled()
True
>>> 
>>> server.stop()
>>> server.cleanup()
>>>