code: def __init__(self, artifact_store: FileSystemArtifactStore) -> None:
      self._artifact_store = artifact_store
  
imports: from __future__ import annotations
  import io
  import logging
  import os
  import sys
  import uuid
  from ase import Atoms
  from ase.build import bulk, fcc111, molecule, add_adsorbate
  from ase.calculators.emt import EMT
  from ase.io import write, read
  from ase.optimize import LBFGS
  import numpy
  from optuna.artifacts import FileSystemArtifactStore
  from optuna.artifacts import upload_artifact
  from optuna.logging import get_logger
  from optuna import create_study
  from optuna import Trial
label_desc: Use image node_id 1 to create a new Objective object  with example: obj = Objective(artifact_store)