fix iter_files

music_genre.py

@@ -104,7 +104,7 @@ class music_genre(datasets.GeneratorBasedBuilder):
 
         dataset = []
         for path in files:
-            if os.path.basename(path).endswith(".jpg"):
+            if os.path.basename(path).endswith(".jpg") and 'mel' in path:
                 dataset.append({
                     'mel': path,
                     'cqt': path.replace('\\mel\\', '\\cqt\\').replace('/mel/', '/cqt/'),