Import Enum for chatbot component

[ericharper]

What does this PR do ?

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Collection: [Note which collection this PR will affect]

Changelog

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Usage

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Before your PR is "Ready for review"

Pre checks:

• Make sure you read and followed Contributor guidelines
• Did you write any new necessary tests?
• Did you add or update any necessary documentation?
• Does the PR affect components that are optional to install? (Ex: Numba, Pynini, Apex etc)
  • Reviewer: Does the PR have correct import guards for all optional libraries?

PR Type:

• New Feature
• Bugfix
• Documentation

If you haven't finished some of the above items you can still open "Draft" PR.

Who can review?

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Contributor guidelines contains specific people who can review PRs to various areas.

Additional Information

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[titu1994]

Lgtm