add empty bio preprocessor

bob/pad/voice/extractor/audio_tensorflow.py

@@ -33,7 +33,7 @@ class AudioTFExtractor(Extractor):
             **kwargs
     ):
 
-        Extractor.__init__(self, requires_training=True,  # it's True, so that extractor can be loaded from file
+        Extractor.__init__(self, requires_training=False,
                            split_training_data_by_client=False,
                            skip_extractor_training=True, **kwargs)
 

setup.py

@@ -168,6 +168,11 @@ setup(
 
         ],
 
+        'bob.bio.preprocessor': [
+            # Just store WAV files 'as is' in HDF5
+            'dummytfp            = bob.pad.voice.extractor.dummy_tensorflow:dummytf',
+        ],
+
         'bob.bio.extractor': [
             'audiotf            = bob.pad.voice.extractor.audio_tensorflow:audiotf',  # For audio tensorflow
         ],