[yaml] Normalize RunInference transform

[Polber]

What would you like to happen?

This bug is part of the Beam YAML milestone. More information about Beam YAML can be found here: https://github.com/apache/beam/tree/master/sdks/python/apache_beam/yaml#beam-yaml-api

A Beam YAML contribution guide can be found here: https://s.apache.org/beam-yaml-contribute

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The RunInference transform should be normalized to be compatible with Beam YAML. There is a doc for normalizing the Beam IO's for Beam YAML, but the general process can be carried over to this work. That doc can be found here.

Issue Priority

Priority: 3 (nice-to-have improvement)

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[smeet07]

.take-issue

[smeet07]

@Polber can you guide me here

[Polber]

I would suggest taking a look at one of the other transforms that need normalizing:
https://github.com/apache/beam/issues?q=is%3Aopen+is%3Aissue+label%3Ayaml+normalize

TFRecord would be a good candidate if your interest is in ML transforms