code: def get_train_examples(self):
      raise NotImplementedError("MLQA does not have training examples")
  
imports: import string
  import re
  import sys
  import unicodedata
  from collections import Counter
  from dataclasses import dataclass
  from jiant.tasks.lib.templates.squad_style import core
label_desc: Use image node_id 2 for calling the MlqaTask obj's underlying member method code with example usage: obj.get_train_examples() without return types