text: # Copyright 2019 The TensorFlow Probability Authors.
  #
  # 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.
  # ============================================================================
  """TFP for JAX."""
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  
  
  # pylint: disable=g-statement-before-imports,g-import-not-at-top,g-bad-import-order
  
  
  # Ensure JAX is importable. This needs to happen first, since the imports below
  # will try to import JAX, too.
  def _ensure_jax_install():  # pylint: disable=g-statement-before-imports
    """Attempt to import JAX.
  
    Raises:
      ImportError: if JAX is not importable.
    """
    try:
      import jax
      del jax
    except ImportError:
      print('\n\nFailed to import JAX. '
            'pip install jax jaxlib\n\n')
      raise
  
  _ensure_jax_install()
  del _ensure_jax_install  # Cleanup symbol to avoid polluting namespace.
  
  from tensorflow_probability.substrates.jax import bijectors
  from tensorflow_probability.substrates.jax import distributions
  from tensorflow_probability.substrates.jax import experimental
  from tensorflow_probability.substrates.jax import internal
  from tensorflow_probability.substrates.jax import math
  from tensorflow_probability.substrates.jax import mcmc
  from tensorflow_probability.substrates.jax import optimizer
  from tensorflow_probability.substrates.jax import random
  from tensorflow_probability.substrates.jax import stats
  from tensorflow_probability.substrates.jax import util
  
  from tensorflow_probability.python.internal.backend import jax as tf2jax
  