[tests] default to pytest in mfcc

diff --git a/python/tests/test_mfcc.py b/python/tests/test_mfcc.py
index 28972b9..f62083a 100755 (executable)
--- a/python/tests/test_mfcc.py
+++ b/python/tests/test_mfcc.py
@@ -106,5 +106,5 @@ class Test_aubio_mfcc_all_parameters:
         #print coeffs
 
 if __name__ == '__main__':
-    from unittest import main
-    main()
+    import sys, pytest
+    pytest.main(sys.argv)