fix binarized_mnist for NumPy 2.3.

PiperOrigin-RevId: 767949597

Author: pierrot0

tensorflow_datasets/datasets/binarized_mnist/binarized_mnist_dataset_builder.py

@@ -85,8 +85,10 @@ def _generate_examples(self, data_path):
       Generator yielding the next examples
     """
     with tf.io.gfile.GFile(data_path, "rb") as f:
-      images = np.loadtxt(f, delimiter=" ", dtype=np.uint8).reshape(
-          (-1,) + mnist.MNIST_IMAGE_SHAPE
+      images = (
+          np.loadtxt(f, delimiter=" ")
+          .astype(np.uint8)
+          .reshape((-1,) + mnist.MNIST_IMAGE_SHAPE)
       )
     for index, image in enumerate(images):
       yield index, {"image": image}