basho/riak-python-client — pull request #220 by jj1bdx (2013-03-12 05:37:16+00:00)
Title: Changed 'localhost' to '127.0.0.1' in riak/tests/test_all.py

Riak default host address is 127.0.0.1 in IPv4. This should be explicitly stated to prevent confusion of resolving the name "localhost" in IPv4/IPv6 dual-stack hosts.

Also see https://github.com/basho/riak-python-client/issues/219