test_filter.py: clean up

diff --git a/interfaces/python/test_filter.py b/interfaces/python/test_filter.py
old mode 100644 (file)
new mode 100755 (executable)
index 5aae9ff..27900bb
--- a/interfaces/python/test_filter.py
+++ b/interfaces/python/test_filter.py
@@ -1,5 +1,6 @@
-from numpy.testing import TestCase, run_module_suite
-from numpy.testing import assert_equal, assert_almost_equal
+#! /usr/bin/python
+
+from numpy.testing import TestCase, assert_equal, assert_almost_equal
 from aubio import fvec, digital_filter
 from numpy import array