Parsing fails with Calculation Engine

[ckulesa]

Band new install of Keynote-Parser on macOS 15.4.1, python v3.13, and pip v25.1.1

Unpacking the file results in a Data folder with all the presentation assets and an Index folder with a single file, "AnnotationAuthorStorage.iwa.yaml" (

[swotai]

Have the same issue. This happens when there's a table in the keynote file. Even a blank table will trigger this.

Same as #60