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Mention the "context manager" keyword in concurrent.futures documentation (#130976)
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@ -101,10 +101,10 @@ Executor Objects
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executor has started running will be completed prior to this method
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returning. The remaining futures are cancelled.
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You can avoid having to call this method explicitly if you use the
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:keyword:`with` statement, which will shutdown the :class:`Executor`
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(waiting as if :meth:`Executor.shutdown` were called with *wait* set to
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``True``)::
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You can avoid having to call this method explicitly if you use the executor
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as a :term:`context manager` via the :keyword:`with` statement, which
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will shutdown the :class:`Executor` (waiting as if :meth:`Executor.shutdown`
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were called with *wait* set to ``True``)::
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import shutil
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with ThreadPoolExecutor(max_workers=4) as e:
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