code: def setup_classes(cls):
      Base = cls.DeclarativeBasic
  
      global TestTable
  
      class TestTable(Base):
          __tablename__ = "test"
  
          id = Column(Integer, primary_key=True, autoincrement=True)
          _some_id = Column("some_id", String)
          some_primary_id = column_property(
              func.left(_some_id, 6).cast(Integer)
          )
  
imports: from sqlalchemy import desc
  from sqlalchemy import ForeignKey
  from sqlalchemy import func
  from sqlalchemy import Integer
  from sqlalchemy import join
  from sqlalchemy import literal_column
  from sqlalchemy import MetaData
  from sqlalchemy import select
  from sqlalchemy import String
  from sqlalchemy import testing
  from sqlalchemy.ext import serializer
  from sqlalchemy.orm import aliased
  from sqlalchemy.orm import class_mapper
  from sqlalchemy.orm import column_property
  from sqlalchemy.orm import configure_mappers
  from sqlalchemy.orm import joinedload
  from sqlalchemy.orm import relationship
  from sqlalchemy.orm import scoped_session
  from sqlalchemy.orm import sessionmaker
  from sqlalchemy.testing import AssertsCompiledSQL
  from sqlalchemy.testing import eq_
  from sqlalchemy.testing import fixtures
  from sqlalchemy.testing.entities import ComparableEntity
  from sqlalchemy.testing.schema import Column
  from sqlalchemy.testing.schema import Table
label_desc: Use image node_id 1 for calling the ColumnPropertyWParamTest obj's underlying member method code with example usage: obj.setup_classes(cls) without return types