Hi @chuck, could you kindly provide some information of what SDK you are using? There was a python binding created by a user for the Gaze SDK but that has now since been deprecated and replaced with our new low level API which you can get @
https://www.nuget.org/packages/Tobii.StreamEngine.Native/
https://www.nuget.org/packages/Tobii.StreamEngine/
This is a low level API so please only use it if you know why you are doing it. Very little support is going to be provided.