remove all unicode explicitness since using unicode_literals from __future__
remove all unicode explicitness since using unicode_literals from __future__

michaelpacer/scipy_proceedings,michaelpacer/scipy_proceedings,katyhuff/scipy_proceedings,sbenthall/scipy_proceedings,michaelpacer/scipy_proceedings,sbenthall/scipy_proceedings,katyhuff/scipy_proceedings,katyhuff/scipy_proceedings,sbenthall/scipy_proceedings