code: def from_dict(cls, data_dict):
      re_cls = cls(
          file_path=data_dict["file_path"],
          graph_structure=data_dict["graph_structure"],
          metadata=data_dict["metadata"],
      )
      re_cls._dag_instantiation_params = AirflowDAGArgs.deserialize(
          data_dict["dag_instantiation_params"]
      )
  
      for sd in data_dict["states"].values():
          re_cls.add_state(
              AirflowTask.from_dict(
                  sd, flow_name=data_dict["metadata"]["flow_name"]
              )
          )
      re_cls.set_parameters(data_dict["metaflow_params"])
      return re_cls
  
imports: import hashlib
  import json
  import sys
  import platform
  from collections import defaultdict
  from datetime import datetime, timedelta
label_desc: Use image node_id 6 for calling the Workflow obj's underlying member method code with example usage: obj.from_dict(cls, data_dict) and returns: re_cls