code: def __init__(
      self,
      paths,
      block_type: Union[pd.DataFrame, pa.Table],
      **file_based_datasource_kwargs,
  ):
      super().__init__(paths, **file_based_datasource_kwargs)
  
      self._block_type = block_type
  
imports: import json
  import os
  import posixpath
  from typing import Any, Callable, Dict, Iterator, List, Optional, Union
  import pandas
  import pyarrow
  import pyarrow
  import pytest
  from pyarrow.fs import FileType
  from pytest_lazyfixture import lazy_fixture
  import ray
  from ray.data.block import Block
  from ray.data.dataset import Dataset
  from ray.data.datasource import FileBasedDatasource, PathPartitionParser
  from ray.data.datasource.file_based_datasource import FileExtensionFilter, _resolve_paths_and_filesystem
  from ray.data.datasource.partitioning import Partitioning, PartitionStyle, PathPartitionFilter
  from ray.data.tests.conftest import *
  from ray.tests.conftest import *
label_desc: Use image node_id 1 to create a new CSVDatasource object from inherited base classes: FileBasedDatasource with example: obj = CSVDatasource(paths, block_type)