Expand Up @@ -137,6 +137,12 @@ And:: An :class:`Executor` subclass that uses a pool of at most *max_workers* threads to execute calls asynchronously.
*initializer* is an optional callable that is called at the start of each worker thread; *initargs* is a tuple of arguments passed to the initializer. Should *initializer* raise an exception, all currently pending jobs will raise a :exc:`~concurrent.futures.thread.BrokenThreadPool`, as well any attempt to submit more jobs to the pool.
.. versionchanged:: 3.5 If *max_workers* is ``None`` or not given, it will default to the number of processors on the machine, Expand All @@ -147,7 +153,7 @@ And::
.. versionadded:: 3.6 The *thread_name_prefix* argument was added to allow users to control the threading.Thread names for worker threads created by control the :class:`threading.Thread` names for worker threads created by the pool for easier debugging.
.. _threadpoolexecutor-example: Expand Down