code: def delete(self):
      session = Session()
      session.delete(self)
      try:
          return session.commit()
      except Exception as ex:
          session.rollback()
          raise
  
imports: import datetime
  import inflection
  import subprocess
  import logging
  import os
  from sqlalchemy import Column, Float, Integer, String, DateTime, JSON, func, ForeignKey, Index, UniqueConstraint
  from sqlalchemy.dialects.postgresql import JSONB
  from sqlalchemy.ext.declarative import declarative_base, declared_attr
  from sqlalchemy.orm import sessionmaker, relationship, scoped_session
  from sqlalchemy import TypeDecorator, types, desc
  from sqlalchemy.inspection import inspect
  import lore.io
  import json
label_desc: Use image node_id 11 for calling the Crud obj's underlying member method code with example usage: obj.delete() and returns: session