> [!META]- Inline Metadata > [status:: boat] > [source:: https://stackoverflow.com/a/70904437/2180093] > [tags:: #note/evergreen #state/boat #concepts/programming/python ] > [up:: [[Python MOC]]] If you want to mark some key optional in a TypedDict definition, you have to use `NotRequired` instead of `Optional`. ## Source https://stackoverflow.com/a/70904437/2180093