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,
.. 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: