code: def test_json_to_linguistic_radar(self):
      Analyzer.json_to_linguistic_radar(evaluate_result)
      self.assertEqual(None, Analyzer.json_to_linguistic_radar({}))
  
imports: import unittest
  from textflint.report.analyzer import Analyzer
label_desc: Use image node_id 3 for calling the TestAnalyzer obj's underlying member method code with example usage: obj.test_json_to_linguistic_radar() without return types