class_docstr: Create attention parameters using experts-layer.
code: def compute_v(self, memory_antecedent):
      del memory_antecedent
      raise NotImplementedError(
          "ExpertsAttention uses shared_kv = True."
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import mesh_tensorflow
  import tensorflow.compat.v1
label_desc: Use image node_id 6 for calling the ExpertsAttentionParams obj's underlying member method code with example usage: obj.compute_v(memory_antecedent) without return types