class_docstr: NER preprocessing base class
class_docstr_tok: ["NER","preprocessing","base","class"]
docstr: Learn vocabulary from training set
docstr_tok: ["Learn","vocabulary","from","training","set"]
code: def fit(self, X, y):
      """
      Learn vocabulary from training set
      """
      self.p.fit(X, y)
      return
  
imports: from ...None import utils
  from ...imports import *
  from ...preprocessor import Preprocessor
  from ..None import preprocessor
  from ..None import textutils
label_desc: Use image node_id 10 for calling the NERPreprocessor obj's underlying member method code with example usage: obj.fit(X, y) without return types