code: def setup_method(self):
      self.data = pd.DataFrame(
          {
              "category1": ["a", "b", "a", "b", "a", "b"],
              "number1": [1, 1, 2, 2, 3, 3],
              "number2": [5, 4, 10, -3, 0, -10],
              "datetimes": [
                  "2017-01-01",
                  "2017-01-01",
                  "2017-01-02",
                  "2017-01-02",
                  "2017-01-03",
                  "2017-01-03",
              ],
          }
      )
  
file_path: chartify/tests/test_chart.py
imports: import chartify
  import numpy
  import pandas
  import pytest
  from selenium.common.exceptions import WebDriverException
label_desc: Use image node_id 1 for calling the TestSecondYChart obj's underlying member method code with example usage: obj.setup_method() without return types