title: toco_from_protos: command not found
body: <p>I'm using this following link to convert my Tensorflow model to tf lite model
  <a href="https://www.tensorflow.org/lite/convert/python_api" rel="nofollow noreferrer">https://www.tensorflow.org/lite/convert/python_api</a>, In here i'm following instruction for 'Exporting a GraphDef from file'
  But i'm getting following error</p>
  
  <pre><code>    "TOCO failed. See console for info.\n%s\n%s\n" % (stdout, stderr))
       tensorflow.lite.python.convert.ConverterError: TOCO failed. See console for info.
      /bin/sh: toco_from_protos: command not found
  </code></pre>
  
  <p>I've installed latest tensorflow v1.13.1</p>