code: def test_view_stats(self):
      _ = view_stats(self.source, self.references)
  
file_path: vizseq/tests/ipynb/test_core.py
imports: from .None import VizSeqIpynbTestCase
  from vizseq.ipynb.core import view_stats, view_examples, view_n_grams, view_scores
label_desc: Use image node_id 1 for calling the VizSeqIpynbCoreTestCase obj's underlying member method code with example usage: obj.test_view_stats() without return types