code: def setUp(self):
      self.cols = [
          ScoreColumn("f1", 0, 1, is_0_to_1=True),
          ScoreColumn("perplexity", 0, 50),
          NumericColumn("Size"),
      ]
      self.data = pd.DataFrame(
          [
              ["Cat A", "Slice C", 0.1, 5, 300],
              ["Cat C", "Slice A", 0.2, 10, 3],
              ["Cat A", "Slice A", 0.3, 15, 5000],
              ["Cat B", "Slice B", 0.4, 20, 812],
              ["Cat B", "Slice D", 0.5, 25, 13312],
          ]
      )
      self.model_name = "BERT"
      self.dataset_name = "SNLI"
  
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 TestBarChart obj's underlying member method code with example usage: obj.setUp() without return types