code: def test_from_data(self):
      assert_equal(
          self.tbl_obj.summary().as_text(),
          self.tbl_data_obj.summary().as_text(),
      )
  
imports: import os
  import warnings
  import numpy
  import statsmodels.stats.contingency_tables
  import pandas
  from numpy.testing import assert_allclose, assert_equal
  import statsmodels.api
label_desc: Use image node_id 13 for calling the Check2x2Mixin obj's underlying member method code with example usage: obj.test_from_data() without return types