old_contents: # Lint as: python3
  # Copyright 2020 DeepMind Technologies Limited. All Rights Reserved.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  # ==============================================================================
  """Tests for haiku._src.conformance.float64_test."""
  
  from absl.testing import absltest
  from absl.testing import parameterized
  import haiku as hk
  from haiku._src import test_utils
  from haiku._src.integration import descriptors
  from haiku._src.integration.bfloat16_test import DTypeTestCase
  from haiku._src.typing import DType, Shape  # pylint: disable=g-multiple-import
  import jax
  from jax.config import config
  import jax.numpy as jnp
  config.update("jax_enable_x64", True)
  
  
  class Float64Test(DTypeTestCase):
    @test_utils.combined_named_parameters(descriptors.ALL_MODULES)
    def test_float64(
        self,
        module_fn: descriptors.ModuleFn,
        shape: Shape,
        dtype: DType,
    ):
      self.assert_dtype(jnp.float64, module_fn, shape, dtype)
  
  if __name__ == '__main__':
    absltest.main()
  
new_contents: # Lint as: python3
  # Copyright 2020 DeepMind Technologies Limited. All Rights Reserved.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  # ==============================================================================
  """Tests for haiku._src.conformance.float64_test."""
  # This is put into a separate file since it requires enabling
  # float64 right after loading of jax.
  
  from absl.testing import absltest
  from haiku._src import test_utils
  from haiku._src.integration import descriptors
  from haiku._src.integration.bfloat16_test import DTypeTestCase
  from haiku._src.typing import DType, Shape  # pylint: disable=g-multiple-import
  from jax.config import config
  import jax.numpy as jnp
  config.update("jax_enable_x64", True)
  
  
  class Float64Test(DTypeTestCase):
    @test_utils.combined_named_parameters(descriptors.ALL_MODULES)
    def test_float64(
        self,
        module_fn: descriptors.ModuleFn,
        shape: Shape,
        dtype: DType,
    ):
      self.assert_dtype(jnp.float64, module_fn, shape, dtype)
  
  if __name__ == '__main__':
    absltest.main()
  
subject: Remove unused imports