code: def xmoe2_dense_2():
      return xmoe2_dense(2)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from tensor2tensor.models import mtf_transformer
  from tensor2tensor.models import mtf_transformer2
  from tensor2tensor.models.research import moe
  from tensor2tensor.utils import registry
label_desc: Use image node_id 17 for calling a global function with example usage: xmoe2_dense_2() and returns: xmoe2_dense