code: def setUp(self):
      registry.Registries.models._clear()
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from tensor2tensor.utils import registry
  from tensor2tensor.utils import t2t_model
  import tensorflow.compat.v1
label_desc: Use image node_id 1 for calling the ModelRegistryTest obj's underlying member method code with example usage: obj.setUp() without return types