Fix Optional typehint usage in typehint files #2678
Merged
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Fixed
Optional
typehint usage. According to docs (https://docs.python.org/3/library/typing.html#typing.Optional), anOptional
typehint signifies a typehint that can beNone
, but not an argument that is optional. This PR is a quickfix to this typing issue.Also runs
black
on all modified files, for consistent code formatting with the rest of the project that uses the sameCo-authored with @zoldalma999 in a code collab