code: def metadata():
      return {
          "name": bento_model.tag.name,
          "version": bento_model.tag.version,
      }
  
imports: import numpy
  from flask import Flask
  from flask import jsonify
  from flask import request
  import bentoml
  from bentoml.io import NumpyNdarray
label_desc: Use image node_id 1 for calling a global function with example usage: metadata() and returns: dict