code: def __init__(self):
      self._trained = False
  
imports: from __future__ import unicode_literals, absolute_import
  import nltk
  from textblob.taggers import PatternTagger
  from textblob.decorators import requires_nltk_corpus
  from textblob.utils import tree2str, filter_insignificant
  from textblob.base import BaseNPExtractor
label_desc: Use image node_id 1 to create a new ChunkParser object from inherited base classes: nltk with example: obj = ChunkParser()