code: def __init__(self) -> None:
      self._data = pd.read_csv(
          Path(__file__).parent / "ac_branin_instances_features.csv",
          skipinitialspace=True,
      )
      self.data["instance"] = self.data["instance"].apply(str)
  
file_path: SMAC3/benchmark/src/datasets/ac_branin.py
imports: from __future__ import annotations
  import pandas
  from pathlib import Path
  from src.datasets.dataset import Dataset
label_desc: Use image node_id 1 to create a new ACBraninDataset object from inherited base classes: Dataset with example: obj = ACBraninDataset()