class_docstr: Configuration builder for WitWidget settings.
docstr: Sets the optional model version for a second model hosted by TF Serving.
  
  If you wish to compare the results of two models in WIT, use this method
  to setup the details of the second model.
  
  Args:
    version: The string version number of the model to be queried through TF
    Serving. This is optional, as TF Serving will use the latest model version
    if none is provided.
  
  Returns:
    self, in order to enabled method chaining.
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code: def set_compare_model_version(self, version):
      """Sets the optional model version for a second model hosted by TF Serving.
  
      If you wish to compare the results of two models in WIT, use this method
      to setup the details of the second model.
  
      Args:
        version: The string version number of the model to be queried through TF
        Serving. This is optional, as TF Serving will use the latest model version
        if none is provided.
  
      Returns:
        self, in order to enabled method chaining.
      """
      self.store("model_version_2", version)
      return self
  
imports: import sys
  import tensorflow
label_desc: Use image node_id 15 for calling the WitConfigBuilder obj's underlying member method code with example usage: obj.set_compare_model_version(version) and returns: self