Hi Frankie.
I've ran into the same error. grpcio needs some environment variables to be correctly compiled.
add those two lines at the end of your .zshrc file
export GRPC_PYTHON_BUILD_SYSTEM_OPENSSL=1
export GRPC_PYTHON_BUILD_SYSTEM_ZLIB=1
Also close/open your terminal app so it will apply the variables at opening the terminal.
nailsonlandim
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I got it working. Based on that repo approach, I'm calling the storyboard with no issues
let MyStoryboard = UIStoryboard(name: "MyStoryboard", bundle: Bundle.main)
let modelVC = MyStoryboard.instantiateViewController(withIdentifier: "myIdentifier")
let navController = UINavigationController(rootViewController: modelVC)
You need to set up the identifier ID at the storyboard at its settings, and don't forget to ask the camera permissions before navigating to the native storyboard.