Fixes a number of tickets - #1528, #1385, #1576, #1632 - and all test warnings. 61c61e9 TST: fix ResourceWarnings under python 3.2. Closes #1385. 8231c9f TST: clean up cluster.vq test file. d6c56db TST: io.wavfile: filter out warning. e089c85 MAINT: fix some build warnings. Closes ticket 1528. d56afef TST: use warning filters correctly in all tests. dcfc275 TST: filter test warnings from bivariate spline tests in interpolate. 8a8a0a2 BUG: py3k: remove unnecessary use of types.NoneType; removed in py3k. e60098c BUG: py3k: func_name attribute of functions was removed, use __name__. dc3a6f6 STY: fix odd use of array.nonzero(). Closes #1632. 242106b STY: simplify opening data files in cluster tests.