export symbols

python/pyarrow/__init__.py

@@ -90,7 +90,10 @@ from pyarrow.lib import (ArrowException,
 # Serialization
 from pyarrow.lib import (deserialize_from, deserialize,
                          serialize, serialize_to, read_serialized,
-                         SerializedPyObject)
+                         SerializedPyObject,
+                         # This is temporary
+                         register_type, type_to_type_id, whitelisted_types,
+                         types_to_pickle, custom_serializers, custom_deserializers)
 
 from pyarrow.filesystem import FileSystem, LocalFileSystem