code: def test_view_n_grams(self):
      _ = view_n_grams(self.log_paths[0])
  
file_path: vizseq/tests/ipynb/test_fairseq.py
imports: from .None import VizSeqIpynbTestCase
  from vizseq.ipynb.fairseq_viz import view_stats, view_examples, view_n_grams, view_scores
label_desc: Use image node_id 5 for calling the VizSeqIpynbFairSeqTestCase obj's underlying member method code with example usage: obj.test_view_n_grams() without return types