updated numeric array type

SPIDER.py

@@ -139,7 +139,7 @@ class SPIDER(datasets.GeneratorBasedBuilder):
             "patient_id": datasets.Value("string"),
             "scan_type": datasets.Value("string"),
             "raw_image": datasets.Image(),
-            "numeric_array": datasets.Value("numpy", dtype="int16", shape=(512, 512, 17)),
+            "numeric_array": datasets.Sequence(datasets.Value("int16")),
             "metadata": {
                 "num_vertebrae": datasets.Value(dtype="string"),
                 "num_discs": datasets.Value(dtype="string"),