code: def define_tables(cls, metadata):
      FixtureTest.define_tables(metadata)
  
imports: from sqlalchemy import Column
  from sqlalchemy import Integer
  from sqlalchemy import testing
  from sqlalchemy.ext.automap import automap_base
  from sqlalchemy.ext.horizontal_shard import ShardedSession
  from sqlalchemy.testing import eq_
  from sqlalchemy.testing import fixtures
  from sqlalchemy.testing import mock
  from .None import test_mutable
  from .test_mutable import Foo
  from ..orm._fixtures import FixtureTest
label_desc: Use image node_id 1 for calling the AutomapTest obj's underlying member method code with example usage: obj.define_tables(cls, metadata) without return types