simply example

music_genre.py

@@ -90,7 +90,8 @@ class music_genre(datasets.GeneratorBasedBuilder):
 
         dataset = []
         for path in files:
-            dataset.append(path)
+            if path.endswith(".png"):
+                dataset.append(path)
 
         random.shuffle(dataset)
         data_count = len(dataset)
@@ -123,13 +124,11 @@ class music_genre(datasets.GeneratorBasedBuilder):
 
     def _generate_examples(self, files, labels):
         for path in files:
-            file_name = os.path.basename(path)
-            i = int(file_name[:-4])
-            if file_name.endswith(".png"):
-                yield i, {
-                    "image": path,
-                    "fst_level_label": _NAMES[int(labels.iloc[i]['fst_level_label'])],
-                    "sec_level_label": _NAMES[int(labels.iloc[i]['sec_level_label'])],
-                    "thr_level_label": _NAMES[int(labels.iloc[i]['thr_level_label'])],
-                    "duration": labels.iloc[i]['duration'],
-                }
+            i = int(os.path.basename(path)[:-4])
+            yield i, {
+                "image": path,
+                "fst_level_label": _NAMES[int(labels.iloc[i]['fst_level_label'])],
+                "sec_level_label": _NAMES[int(labels.iloc[i]['sec_level_label'])],
+                "thr_level_label": _NAMES[int(labels.iloc[i]['thr_level_label'])],
+                "duration": labels.iloc[i]['duration'],
+            }