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# 17.8. `dummy_threading` — Drop-in replacement for the `threading` module

Source code: Lib/dummy_threading.py

This module provides a duplicate interface to the `threading` module. It is meant to be imported when the `_thread` module is not provided on a platform.

Suggested usage is:

    try:
        import threading
    except ImportError:
        import dummy_threading as threading

Be careful to not use this module where deadlock might occur from a thread being created that blocks waiting for another thread to be created. This often occurs with blocking I/O.

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