Fix spelling in Python and Scala files

[jbampton]

Did you read the Contributor Guide?

• Yes, I have read the Contributor Rules and Contributor Development Guide

Is this PR related to a JIRA ticket?

• No.

What changes were proposed in this PR?

Fixed a typo

How was this patch tested?

https://www.merriam-webster.com/thesaurus/inferable

Did this PR include necessary documentation updates?

• No, this PR does not affect any public API so no need to change the documentation.