name 'objc' is not defined in pyttsx3.init()

Question

I'm working on a project for university, it's a voice assistant with python. And in the debug when starting pyttsx3.init() I get the error name 'objc' is not defined. Does anyone know how to fix it?

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I tried installing it from the source code by cloning the Github repository "git clone https://github.com/ronaldoussoren/pyobjc.git"