code: def _param_split(params):
      return (p.strip(" ,") for p in shlex.split(params))
  
imports: from functools import partial
  from importlib import import_module
  from itertools import chain
  import re
  import shlex
  import sys
  from sklearn.base import BaseEstimator
  from sklearn.pipeline import FeatureUnion
  from sklearn.pipeline import Pipeline
label_desc: Use image node_id 1 for calling a global function with example usage: _param_split(params) and returns: unknown