code: def test_lift_curve_df(precalculated_rf_classifier_explainer):
      assert isinstance(
          precalculated_rf_classifier_explainer.get_liftcurve_df(),
          pd.DataFrame,
      )
  
file_path: explainerdashboard/tests/test_classifier_explainer.py
imports: import pandas
  import numpy
  import plotly.graph_objects
label_desc: Use image node_id 6 for calling a global function with example usage: test_lift_curve_df(precalculated_rf_classifier_explainer) without return types