class_docstr: Configuration of a :class:`.Featurizer` object
class_docstr_tok: ["Configuration","of","a",":","class",":","`",".Featurizer","`","object"]
code: def get_required_resources(self):
      required_resources = (
          self.tfidf_vectorizer_config.get_required_resources()
      )
      if self.cooccurrence_vectorizer_config:
          required_resources = merge_required_resources(
              required_resources,
              self.cooccurrence_vectorizer_config.get_required_resources(),
          )
      return required_resources
  
imports: from __future__ import unicode_literals
  from snips_nlu.common.from_dict import FromDict
  from snips_nlu.constants import CUSTOM_ENTITY_PARSER_USAGE, NOISE, STEMS, STOP_WORDS, WORD_CLUSTERS
  from snips_nlu.entity_parser.custom_entity_parser import CustomEntityParserUsage
  from snips_nlu.pipeline.configs import Config, ProcessingUnitConfig
  from snips_nlu.resources import merge_required_resources
label_desc: Use image node_id 3 for calling the FeaturizerConfig obj's underlying member method code with example usage: obj.get_required_resources() and returns: required_resources