Try writing to temp file

SMVB.py

@@ -144,4 +144,6 @@ class SMVBDataset(datasets.GeneratorBasedBuilder):
             if i%len(keys) < 2:
                 file_infos.append((file_path, file_object.read()))
             else:
-                file_infos.append((file_path, np.load(file_object)))
+                with open('temp.npy','wb') as f:
+                    f.write(file_object.read())
+                file_infos.append((file_path, np.load('temp.npy')))