test_str cleanup
test_str cleanup

cpcloud/datashape,llllllllll/datashape,llllllllll/datashape,blaze/datashape,blaze/datashape,cowlicks/datashape,quantopian/datashape,cpcloud/datashape,ContinuumIO/datashape,cowlicks/datashape,ContinuumIO/datashape,quantopian/datashape