code: def singular_valued_col_data():
      return pd.DataFrame(
          {
              # Note that the col only has 1 unique value
              "col1": [1, 1, 1, 1, 1],
              "col2": [1, 2, 3, 4, 5],
              "target": [0, 1, 0, 1, 0],
          }
      )
  
file_path: responsible-ai-toolbox/responsibleai/tests/databalanceanalysis/conftest.py
imports: import pandas
  import pytest
  from tests.common_utils import create_adult_income_dataset
label_desc: Use image node_id 11 for calling a global function with example usage: singular_valued_col_data() and returns: pd