Move the internal API subpackage to the main package. #12
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What this PR does / why we need it:
The is API is mostly used internally and causes import issues when the main package is imported. Additionally, using an internal subpackage complicates automated tagging and release process. This PR moves the internal API sub
Also this package
Which issue(s) this PR fixes:
Fixes #
Special notes for your reviewer:
Release note: