docs: def _return_samples(return_type, samples):
      """
          A utility function to return samples according to type
      """
      if return_type.lower() == "dataframe":
          if HAS_PANDAS:
              return pandas.DataFrame.from_records(samples)
          else:
              warn("Pandas installation not found. Returning numpy.recarray object")
              return samples
      else:
          return samples