old_contents: from contextlib import contextmanager, closing
  
  import pytest
  import sqlalchemy
  from sqlalchemy.sql.schema import Table as DbTable
  
  from tests.conftest import area_polyfile_string
  from tests.inside_worker_test.conftest import slow
  from tests.inside_worker_test.declarative_schema import osm_models
  
  
  @slow
  def test_osmaxx_data_model_processing_puts_amenity_grave_yard_with_religion_into_table_pow_a(data_import):
      data = {
          osm_models.t_osm_polygon: dict(
              amenity='grave_yard',
              religion='any value will do, as long as one is present',
          ),
      }
      with data_import(data) as engine:
          t_pow_a = DbTable('pow_a', osm_models.metadata, schema='osmaxx')
          with closing(engine.execute(sqlalchemy.select([t_pow_a]))) as result:
              assert result.rowcount == 1
  
  
  @pytest.fixture()
  def data_import(osmaxx_schemas, clean_osm_tables, monkeypatch):
      from tests.inside_worker_test.conftest import cleanup_osmaxx_schemas
      from osmaxx.conversion.converters.converter_gis.bootstrap.bootstrap import BootStrapper
  
      assert osmaxx_schemas == clean_osm_tables  # same db-connection
      engine = osmaxx_schemas
      monkeypatch.setattr(
          'osmaxx.conversion.converters.converter_gis.helper.postgres_wrapper.create_engine', lambda *_, **__: engine)
  
      class _BootStrapperWithoutPbfFile(BootStrapper):
          def __init__(self, data):
              super().__init__(area_polyfile_string=area_polyfile_string())
              self.data = data
  
          def _reset_database(self):
              pass  # Already taken care of by clean_osm_tables fixture.
  
          def _import_from_world_db(self):
              for table, values in self.data.items():
                  engine.execute(table.insert().execution_options(autocommit=True), values)
  
          def _setup_db_functions(self):
              pass  # Already taken care of by osmaxx_functions fixture.
  
      @contextmanager
      def import_data(data):
          bootstrapper = _BootStrapperWithoutPbfFile(data)
          try:
              bootstrapper.bootstrap()
              yield engine
          finally:
              cleanup_osmaxx_schemas(bootstrapper._postgres._engine)
      return import_data
  
new_contents: from contextlib import contextmanager, closing
  
  import pytest
  import sqlalchemy
  from sqlalchemy.sql.schema import Table as DbTable
  
  from tests.conftest import area_polyfile_string
  from tests.inside_worker_test.conftest import slow
  from tests.inside_worker_test.declarative_schema import osm_models
  
  
  @slow
  def test_osmaxx_data_model_processing_puts_amenity_grave_yard_with_religion_into_table_pow_a(data_import):
      data = {
          osm_models.t_osm_polygon: dict(
              amenity='grave_yard',
              religion='any value will do, as long as one is present',
          ),
      }
      with data_import(data) as engine:
          t_pow_a = DbTable('pow_a', osm_models.metadata, schema='osmaxx')
          with closing(engine.execute(sqlalchemy.select([t_pow_a]))) as result:
              assert result.rowcount == 1
  
  
  @pytest.fixture()
  def data_import(osmaxx_schemas, clean_osm_tables, monkeypatch):
      from tests.inside_worker_test.conftest import cleanup_osmaxx_schemas
      from osmaxx.conversion.converters.converter_gis.bootstrap.bootstrap import BootStrapper
  
      assert osmaxx_schemas == clean_osm_tables  # same db-connection
      engine = osmaxx_schemas
      monkeypatch.setattr(
          'osmaxx.conversion.converters.converter_gis.helper.postgres_wrapper.create_engine', lambda *_, **__: engine)
  
      class _BootStrapperWithoutPbfFile(BootStrapper):
          def __init__(self, data):
              super().__init__(area_polyfile_string=area_polyfile_string())
              self.data = data
  
          def _reset_database(self):
              pass  # Already taken care of by clean_osm_tables fixture.
  
          def _import_from_world_db(self):
              for table, values in self.data.items():
                  engine.execute(table.insert().execution_options(autocommit=True), values)
  
          def _setup_db_functions(self):
              pass  # Already taken care of by osmaxx_functions fixture.
  
      @contextmanager
      def import_data(data):
          bootstrapper = _BootStrapperWithoutPbfFile(data)
          try:
              bootstrapper.bootstrap()
              yield engine
          finally:
              cleanup_osmaxx_schemas(bootstrapper._postgres._engine)
  
      return import_data
  
subject: reformat code