code: def __init__(self, observation_spec, action_spec, layer, name=None):
      super(KerasLayersNet, self).__init__(
          observation_spec, state_spec=(), name=name
      )
      self._layer = layer
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from tf_agents.networks import network
label_desc: Use image node_id 1 to create a new KerasLayersNet object from inherited base classes: network with example: obj = KerasLayersNet(observation_spec, action_spec, layer, name)