code: def test_plot(self):
      reporter = ReportGenerator()
      reporter.plot(test_evaluate_result)
  
file_path: textflint/test/report/report_generator/test_report_generator.py
imports: import unittest
  import pandas
  from textflint.report.analyzer.analyzer import *
  from textflint.report.report_generator.report_generator import BarChart, ReportGenerator
label_desc: Use image node_id 1 for calling the TestReportGenerator obj's underlying member method code with example usage: obj.test_plot() without return types