code: def get_chunks(self, n_chunks: Optional[int] = None):
      return self._pyarrow_col.get_chunks(n_chunks=n_chunks)
  
imports: import pyarrow
  from functools import cached_property
  from typing import Sequence, Optional
  from .sql import SqlDataset
label_desc: Use image node_id 11 for calling the DatasetColumn obj's underlying member method code with example usage: obj.get_chunks(n_chunks) and returns: self