code: def _transformer(self, part):
      return self._hasher(**self.get_params()).transform(part)
  
imports: import itertools
  import dask
  import dask.array
  import dask.bag
  import dask.dataframe
  import distributed
  import numpy
  import scipy.sparse
  import sklearn.base
  import sklearn.feature_extraction.text
  from dask.delayed import Delayed
  from distributed import get_client, wait
  from sklearn.utils.validation import check_is_fitted
label_desc: Use image node_id 2 for calling the _BaseHasher obj's underlying member method code with example usage: obj._transformer(part) and returns: self