code: def np_random_permutation(x):
      return x
  
file_path: snips-nlu/snips_nlu/tests/test_data_augmentation.py
imports: from __future__ import unicode_literals
  from builtins import next, range
  import numpy
  from mock import patch
  from snips_nlu.constants import LANGUAGE_EN, STOP_WORDS
  from snips_nlu.data_augmentation import capitalize, capitalize_utterances, generate_utterance, get_contexts_iterator, get_entities_iterators
  from snips_nlu.tests.utils import SnipsTest
label_desc: Use image node_id 1 for calling a global function with example usage: np_random_permutation(x) and returns: x