old_contents: from sqlalchemy.testing import config
  from sqlalchemy.testing import emits_warning
  from sqlalchemy.testing import engines
  from sqlalchemy.testing import exclusions
  from sqlalchemy.testing import mock
  from sqlalchemy.testing import provide_metadata
  from sqlalchemy.testing import skip_if
  from sqlalchemy.testing import uses_deprecated
  from sqlalchemy.testing.config import combinations
  from sqlalchemy.testing.config import fixture
  from sqlalchemy.testing.config import requirements as requires
  
  from .assertions import assert_raises
  from .assertions import assert_raises_message
  from .assertions import emits_python_deprecation_warning
  from .assertions import eq_
  from .assertions import eq_ignore_whitespace
  from .assertions import expect_raises
  from .assertions import expect_raises_message
  from .assertions import expect_sqlalchemy_deprecated
  from .assertions import expect_sqlalchemy_deprecated_20
  from .assertions import expect_warnings
  from .assertions import is_
  from .assertions import is_false
  from .assertions import is_not_
  from .assertions import is_true
  from .assertions import ne_
  from .fixtures import TestBase
  from .util import resolve_lambda
  
  try:
      from sqlalchemy.testing import asyncio
  except ImportError:
      pass
  else:
      asyncio.ENABLE_ASYNCIO = False
  
new_contents: from sqlalchemy.testing import config
  from sqlalchemy.testing import emits_warning
  from sqlalchemy.testing import engines
  from sqlalchemy.testing import exclusions
  from sqlalchemy.testing import mock
  from sqlalchemy.testing import provide_metadata
  from sqlalchemy.testing import skip_if
  from sqlalchemy.testing import uses_deprecated
  from sqlalchemy.testing.config import combinations
  from sqlalchemy.testing.config import fixture
  from sqlalchemy.testing.config import requirements as requires
  
  from .assertions import assert_raises
  from .assertions import assert_raises_message
  from .assertions import emits_python_deprecation_warning
  from .assertions import eq_
  from .assertions import eq_ignore_whitespace
  from .assertions import expect_raises
  from .assertions import expect_raises_message
  from .assertions import expect_sqlalchemy_deprecated
  from .assertions import expect_sqlalchemy_deprecated_20
  from .assertions import expect_warnings
  from .assertions import is_
  from .assertions import is_false
  from .assertions import is_not_
  from .assertions import is_true
  from .assertions import ne_
  from .fixtures import TestBase
  from .util import resolve_lambda
  
subject: Remove code to force ENABLE_ASYNCIO to False