code: def test_pos_label(precalculated_catboost_classifier_explainer):
      precalculated_catboost_classifier_explainer.pos_label = 1
      precalculated_catboost_classifier_explainer.pos_label = (
          "Not survived"
      )
      assert isinstance(
          precalculated_catboost_classifier_explainer.pos_label, int
      )
      assert isinstance(
          precalculated_catboost_classifier_explainer.pos_label_str, str
      )
      assert precalculated_catboost_classifier_explainer.pos_label == 0
      assert (
          precalculated_catboost_classifier_explainer.pos_label_str
          == "Not survived"
      )
  
imports: import pandas
  import numpy
  from pandas.api.types import is_categorical_dtype, is_numeric_dtype
  import plotly.graph_objs
label_desc: Use image node_id 28 for calling a global function with example usage: test_pos_label(precalculated_catboost_classifier_explainer) without return types