[py] fix output in demo_notes.py (closes gh-411, thanks to @ensonic)

note_str was not used.

diff --git a/python/demos/demo_notes.py b/python/demos/demo_notes.py
index 301013a..978d895 100755 (executable)
--- a/python/demos/demo_notes.py
+++ b/python/demos/demo_notes.py
@@ -32,6 +32,6 @@ while True:
     new_note = notes_o(samples)
     if (new_note[0] != 0):
         note_str = ' '.join(["%.2f" % i for i in new_note])
-        print("%.6f" % (total_frames/float(samplerate)), new_note)
+        print("%.6f %s" % ((total_frames/float(samplerate)), note_str))
     total_frames += read
     if read < hop_s: break