demo_spectrogram.py: remove debug output

diff --git a/interfaces/python/demo_spectrogram.py b/interfaces/python/demo_spectrogram.py
index 67fd451..16bd69e 100755 (executable)
--- a/interfaces/python/demo_spectrogram.py
+++ b/interfaces/python/demo_spectrogram.py
@@ -45,7 +45,6 @@ def get_spectrogram(filename):
       # convert to string
       ticks_labels = [  "%.1f" % x for x in ticks_labels ]
       # return position, label tuple to use with x/yticks
-      print ticks_positions, ticks_labels
       return ticks_positions, ticks_labels
 
   # apply to the axis