code: def __next__(self):  # Python 3
      while True:
          token_type, token, location = self.next_()
          if token_type != Lexer.NEWLINE:
              return (token_type, token, location)
  
imports: from fontTools.feaLib.error import FeatureLibError, IncludedFeaNotFound
  from fontTools.feaLib.location import FeatureLibLocation
  import re
  import os
label_desc: Use image node_id 4 for calling the Lexer obj's underlying member method code with example usage: obj.__next__() and returns: token_type,  token,  location