class_docstr: Base service for all the models. Implemented by all other services.
  The services perform business logic using the model provided
code: def __init__(self, model: BaseModel, session: Session):
      self.model = model
      self.session = session
      self.query = session.query(model)
  
imports: from typing import List
  from sqlalchemy.orm import Session
  from sqlalchemy.orm.exc import NoResultFound
  from evadb.catalog.models.base_model import BaseModel
label_desc: Use image node_id 1 to create a new BaseService object  with example: obj = BaseService(model, session)