code: def tokenizer(x):
      """Trivial tokenizer"""
      return x
  
file_path: sk-dist/skdist/distribute/_defaults.py
imports: from sklearn.pipeline import Pipeline
  from sklearn.preprocessing import StandardScaler, OneHotEncoder
  from sklearn.feature_extraction.text import CountVectorizer
  from sklearn.feature_extraction import DictVectorizer
  from sklearn.feature_selection import VarianceThreshold
  from sklearn.impute import SimpleImputer
  from ..preprocessing import ImputeNull, SelectField, FeatureCast, LabelEncoderPipe, HashingVectorizerChunked, MultihotEncoder
label_desc: Use image node_id 1 for calling a global function with example usage: tokenizer(x) and returns: x