code: def test_column_imbalance_score_one_class():
      value_counts = [30]
      assert (
          column_imbalance_score(value_counts, len(value_counts)) == 0
      )
  
imports: import pandas
  from ydata_profiling.model.pandas.imbalance_pandas import column_imbalance_score
label_desc: Use image node_id 3 for calling a global function with example usage: test_column_imbalance_score_one_class() without return types