code: def load_file_to_dataframe(self, file_path: str) -> pd.DataFrame:
      """Loads a file into a dataframe."""
      return pd.read_csv(file_path, header=None, sep="   ")
  
imports: import pandas
  from ludwig.datasets.loaders.dataset_loader import DatasetLoader
label_desc: Use image node_id 1 for calling the NavalLoader obj's underlying member method code with example usage: obj.load_file_to_dataframe(file_path) and returns: pd