code: def call(self, inputs, step_type=None, network_state=()):
      del step_type
      return self._layer(inputs), network_state
  
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 2 for calling the KerasLayersNet obj's underlying member method code with example usage: obj.call(inputs, step_type, network_state) and returns: self,  network_state