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c66755b6 - Add DeepInfra embeddings integration with tests and examples, better exception handling for Deep Infra LLM (#5854)

Add DeepInfra embeddings integration with tests and examples, better exception handling for Deep Infra LLM (#5854) #### Who can review? Tag maintainers/contributors who might be interested: @hwchase17 - project lead - @agola11 --------- Co-authored-by: Yessen Kanapin <yessen@deepinfra.com>