code: def test_number_pairs_1493(self):
      ppt = smprop.proportions_chisquare_allpairs(
          self.n_success[:3], self.nobs[:3], multitest_method=None
      )
  
      assert_equal(len(ppt.pvals_raw), 3)
      idx = [0, 1, 3]
      assert_almost_equal(ppt.pvals_raw, self.res_ppt_pvals_raw[idx])
  
imports: import warnings
  import numpy
  from numpy.testing import assert_allclose, assert_almost_equal, assert_array_less, assert_equal, assert_raises
  import pandas
  import pytest
  import statsmodels.stats.proportion
  from statsmodels.stats.proportion import confint_proportions_2indep, multinomial_proportions_confint, power_proportions_2indep, proportion_confint, samplesize_proportions_2indep_onetail, score_test_proportions_2indep
  from statsmodels.tools.sm_exceptions import HypothesisTestWarning
  from statsmodels.tools.testing import Holder
  from statsmodels.stats.tests.results.results_proportion import res_binom, res_binom_methods
label_desc: Use image node_id 3 for calling the CheckProportionMixin obj's underlying member method code with example usage: obj.test_number_pairs_1493() without return types