old_contents: # Copyright 2018 Google LLC
  #
  # 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
  #
  #     https://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.
  
  import os
  os.environ.setdefault('TF_CPP_MIN_LOG_LEVEL', '1')
  version_file = os.path.join(os.path.abspath(os.path.dirname(__file__)),
                              "version.py")
  with open(version_file) as f:
    exec(f.read(), globals())
  
  from jax.api import *
  import jax.numpy as np  # side-effecting import sets up operator overloads
  
new_contents: # Copyright 2018 Google LLC
  #
  # 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
  #
  #     https://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.
  
  import os
  os.environ.setdefault('TF_CPP_MIN_LOG_LEVEL', '1')
  
  from jax.version import __version__
  from jax.api import *
  import jax.numpy as np  # side-effecting import sets up operator overloads
  
subject: Use a regular import to add jax.__version__ rather than exec() trickery.