[issue44188] ThreadPoolExecutor unbalanced semaphore count

New submission from Bennie Swart : The concurrent.futures.ThreadPoolExecutor class, which is the default asyncio executor, introduced the _idle_semaphore field in version 3.8 in order to track idle threads so they can be reused before increasing the pool size unnecessarily. This semaphore

[issue44188] ThreadPoolExecutor unbalanced semaphore count

Change by Bennie Swart : -- keywords: +patch pull_requests: +24869 stage: -> patch review pull_request: https://github.com/python/cpython/pull/26265 ___ Python tracker <https://bugs.python.org/issu