This is a concurrent library, but not thread safe?

[fanck0605]

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Code or Screenshots If applicable, add a minimal and self contained code example or screenshots to help explain your problem.

def foo(self) -> str:
    return 3

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• OS [e.g. Windows]
• RxPY version [e.g 4.0.0]
• Python version [e.g. 3.10.2]