code: def __str__(self):
      return "DropObjectPlan(object_type={}, name={}, if_exists={})".format(
          self._object_type, self._name, self._if_exists
      )
  
file_path: evadb/evadb/plan_nodes/drop_object_plan.py
imports: from evadb.parser.types import ObjectType
  from evadb.plan_nodes.abstract_plan import AbstractPlan
  from evadb.plan_nodes.types import PlanOprType
label_desc: Use image node_id 5 for calling the DropObjectPlan obj's underlying member method code with example usage: obj.__str__() and returns: str