Add binary to the list of supported types for HuggingFace datasets.

PiperOrigin-RevId: 642308107

Author: The TensorFlow Datasets Authors

tensorflow_datasets/core/utils/huggingface_utils.py

@@ -40,6 +40,7 @@
     'large_string': np.object_,
     'utf8': np.object_,
     'string': np.object_,
+    'binary': np.bytes_,
 })
 _IMAGE_ENCODING_FORMAT = 'png'
 _DEFAULT_IMG = b'\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x01\x00\x00\x00\x01\x08\x02\x00\x00\x00\x90wS\xde\x00\x00\x00\x0cIDATx\x9cc```\x00\x00\x00\x04\x00\x01\xf6\x178U\x00\x00\x00\x00IEND\xaeB`\x82'

tensorflow_datasets/core/utils/huggingface_utils_test.py

@@ -40,6 +40,7 @@ def test_convert_to_np_dtype_raises():
         ('large_string', np.object_),
         ('utf8', np.object_),
         ('string', np.object_),
+        ('binary', np.bytes_),
         # from np
         ('bool_', np.bool_),
         ('int32', np.int32),