old_contents: # Copyright 2021 The Flax 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.
  
  """Flax Neural Network api."""
  
  # pylint: disable=g-multiple-import
  # re-export commonly used modules and functions
  from .activation import (celu, elu, gelu, glu, leaky_relu, log_sigmoid,
                           log_softmax, relu, sigmoid, soft_sign, softmax,
                           softplus, swish, silu, tanh)
  from .attention import (dot_product_attention, MultiHeadDotProductAttention,
                          SelfAttention)
  from .base import (Module, Model, Collection, capture_module_outputs,
                     module, stateful, get_state, module_method)
  from .linear import Dense, DenseGeneral, Conv, ConvTranspose, Embed
  from .normalization import BatchNorm, LayerNorm, GroupNorm
  from .pooling import max_pool, avg_pool
  from .recurrent import LSTMCell, GRUCell, ConvLSTM, OptimizedLSTMCell
  from .stochastic import make_rng, stochastic, dropout, is_stochastic
  # pylint: enable=g-multiple-import
  
new_contents: # Copyright 2021 The Flax 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.
  
  """Flax Neural Network api."""
  
  # pylint: disable=g-multiple-import
  # re-export commonly used modules and functions
  from .activation import (celu, elu, gelu, glu, leaky_relu, log_sigmoid,
                           log_softmax, relu, sigmoid, soft_sign, softmax,
                           softplus, swish, silu, tanh)
  from .attention import (dot_product_attention, MultiHeadDotProductAttention,
                          SelfAttention)
  from .base import (Module, Model, Collection, capture_module_outputs,
                     module, stateful, get_state, module_method)
  from .linear import Dense, DenseGeneral, Conv, ConvTranspose, Embed
  from .normalization import BatchNorm, LayerNorm, GroupNorm
  from .pooling import max_pool, avg_pool
  from .recurrent import LSTMCell, GRUCell, ConvLSTM, OptimizedLSTMCell
  from .stochastic import make_rng, stochastic, dropout, is_stochastic
  # pylint: enable=g-multiple-import
  import warnings
  warnings.filterwarnings("default", category=DeprecationWarning, module=__name__)
  warnings.warn("the nn module is deprecated, use linen instead", DeprecationWarning)
subject: add module level warning