python/tests: fix most prospect warnings

[aubio.git] / python / tests / test_zero_crossing_rate.py

diff --git a/python/tests/test_zero_crossing_rate.py b/python/tests/test_zero_crossing_rate.py
index b7b9965..7f6d479 100755 (executable)
--- a/python/tests/test_zero_crossing_rate.py
+++ b/python/tests/test_zero_crossing_rate.py
@@ -1,7 +1,7 @@
 #! /usr/bin/env python
 
+from unittest import main
 from numpy.testing import TestCase
-
 from aubio import fvec, zero_crossing_rate
 
 buf_size = 2048
@@ -43,5 +43,4 @@ class zero_crossing_rate_test_case(TestCase):
         self.assertEqual(2./buf_size, zero_crossing_rate(self.vector))
 
 if __name__ == '__main__':
-    from unittest import main
     main()