code: def get_parser(parser_type):
      """Helper method to fetch parser classes
  
      Args:
          parser_type (string): the name of the parser class to get
  
      Returns:
          A Parser class
      """
      return PARSERS[parser_type]
  
imports: from abc import ABCMeta, abstractmethod
  from copy import deepcopy
  import csv
  from fnmatch import fnmatch
  import json
  import logging
  import re
  import io
  import jmespath
  from streamalert.shared.logger import get_logger
label_desc: Use image node_id 2 for calling a global function with example usage: get_parser(parser_type) and returns: PARSERS