code: def open_h5(self):
      if not self._h5 and h5py:
          download_h5(
              self._run.id,
              entity=self._run.entity,
              project=self._run.project,
              out_dir=self._run.dir,
          )
      super().open_h5()
  
imports: import json
  import os
  import time
  from wandb_gql import gql
  import wandb
  from wandb import util
  from wandb.apis.internal import Api
  from wandb.sdk import lib
  from wandb.sdk.data_types.utils import val_to_json
label_desc: Use image node_id 3 for calling the HTTPSummary obj's underlying member method code with example usage: obj.open_h5() without return types