Issue #228/#231: Removed unused "import copy" which pyflakes complained about
Issue #228/#231: Removed unused "import copy" which pyflakes complained about

bmess/riak-python-client,bmess/riak-python-client,basho/riak-python-client,basho/riak-python-client,basho/riak-python-client,GabrielNicolasAvellaneda/riak-python-client,GabrielNicolasAvellaneda/riak-python-client