code: def expect_name_(self):
      self.advance_lexer_()
      if self.cur_token_type_ is Lexer.NAME:
          return self.cur_token_
      raise VoltLibError("Expected a name", self.cur_token_location_)
  
imports: import fontTools.voltLib.ast
  from fontTools.voltLib.lexer import Lexer
  from fontTools.voltLib.error import VoltLibError
  from io import open
label_desc: Use image node_id 31 for calling the Parser obj's underlying member method code with example usage: obj.expect_name_() and returns: self