Index: trunk/tests/test_extract_waves.py
===================================================================
diff -u -r42 -r46
--- trunk/tests/test_extract_waves.py	(.../test_extract_waves.py)	(revision 42)
+++ trunk/tests/test_extract_waves.py	(.../test_extract_waves.py)	(revision 46)
@@ -12,6 +12,7 @@
 
 import numpy as np
 
+
 class Test_create:
 
     @pytest.mark.unittest
@@ -180,4 +181,5 @@
         assert result[0] == result_array[0]
         assert result[1] == result_array[1]
         assert result[2] == result_array[2]
-        assert result[3] == result_array[3]
\ No newline at end of file
+        assert result[3] == result_array[3]
+        
\ No newline at end of file