Updated audio folder files

Author: ManishAradwad

tensorflow_datasets/audio/librispeech.py

@@ -162,6 +162,7 @@ def _populate_metadata(self, dirs):
 
   def _read_metadata_file(self, path, field_names):
     """Returns metadata in standard format."""
+    
     metadata = {}
     with tf.io.gfile.GFile(path) as f:
       for line in f:

tensorflow_datasets/audio/libritts.py

@@ -93,6 +93,7 @@ def _info(self):
 
   def _populate_metadata(self, archive_paths):
     """Generate metadata of LibriTTS dataset."""
+    
     # All archives contain the same metadata.
     archive_path = list(archive_paths.values())[0]
 

tensorflow_datasets/audio/nsynth.py

@@ -143,6 +143,7 @@ class Nsynth(tfds.core.BeamBasedBuilder):
 
   def _info(self):
     """Returns Dataset info."""
+    
     features = {
         "id":
             tf.string,