Fix bug in Vamp Simple host analyzer - III

diff --git a/timeside/analyzer/vamp_plugin.py b/timeside/analyzer/vamp_plugin.py
index f0f7c5cd3481295782b5d39ad763a7aee71de18b..057ffa5f20c4700f17cf8eccf5890ec8e9910709 100644 (file)
--- a/timeside/analyzer/vamp_plugin.py
+++ b/timeside/analyzer/vamp_plugin.py
@@ -123,7 +123,7 @@ class VampSimpleHost(Analyzer):
         res = stdout[8:]  # stdout containg the feature data
 
         if len(res) == 0:
-            return (None, None, None)
+            return ([], [], [])
 
         # Parse stderr to get blocksize and stepsize
         blocksize_info = stderr[4]