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Lénaïc RIÉDINGER, Global Community Engineer Tableau
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Looks like you might have installed the linux version of the SDK.
You might want to try our pre-release of the new Hyper API (the successor of the Extract API). With the all-new Hyper API, Developers can now utilize full CRUD support at Hyper-speed and unleash the power of SQL to interact with .hyper files.
To get access to the pre-release, you need to join the Tableau Develop Program. If you are not part of the Developer Program yet, register here and join the “Developer Program Sprint Demos!” under “AVAILABLE OPPORTUNITIES”. Then, go here for more information on Hyper API features, supported languages and platforms.
As the error states:
RuntimeError: Unknown platform darwin
Darwin is the name of the Mac OS X Platform.
You've probably downloaded the wrong version. Please visit Tableau SDK-Installing and download the Mac OS X version which can be found at (https://downloads.tableau.com/tssoftware/Tableau-SDK-Python-OSX-64Bit-10-3-24.tar.gz)