Use BytesIO and flattened numpy arrays

SMVB.py

@@ -17,6 +17,7 @@
 """SMVB dataset"""
 
 import sys
+import io
 import numpy as np
 if sys.version_info < (3, 9):
     from typing import Sequence, Generator, Tuple
@@ -144,6 +145,4 @@ class SMVBDataset(datasets.GeneratorBasedBuilder):
             if i%len(keys) < 2:
                 file_infos.append((file_path, file_object.read()))
             else:
-                with open('temp.npy','wb') as f:
-                    f.write(file_object.read())
-                file_infos.append((file_path, np.load('temp.npy')))
+                file_infos.append((file_path, np.load(io.BytesIO(file_object.read())).flatten()))