test_importlib: test_multiprocessing_pool_circular_import() fails with "Too many open files" error on os.pipe() #87758
Description
Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.
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GitHub fields:
assignee = 'https://github.com/gpshead'
closed_at = <Date 2021-10-22.04:49:25.641>
created_at = <Date 2021-03-22.10:33:02.909>
labels = ['OS-mac', 'type-bug', 'tests', '3.10']
title = 'test_importlib: test_multiprocessing_pool_circular_import() fails with "Too many open files" error on os.pipe()'
updated_at = <Date 2021-10-22.04:49:25.640>
user = 'https://github.com/vstinner'bugs.python.org fields:
activity = <Date 2021-10-22.04:49:25.640>
actor = 'gregory.p.smith'
assignee = 'gregory.p.smith'
closed = True
closed_date = <Date 2021-10-22.04:49:25.641>
closer = 'gregory.p.smith'
components = ['macOS', 'Tests']
creation = <Date 2021-03-22.10:33:02.909>
creator = 'vstinner'
dependencies = []
files = []
hgrepos = []
issue_num = 43592
keywords = ['patch']
message_count = 13.0
messages = ['389301', '389303', '389334', '392245', '400835', '400836', '400837', '400838', '401569', '404665', '404714', '404719', '404720']
nosy_count = 7.0
nosy_names = ['gregory.p.smith', 'ronaldoussoren', 'vstinner', 'ned.deily', 'lukasz.langa', 'lielfr', 'miss-islington']
pr_nums = ['29127', '29144', '29145']
priority = 'normal'
resolution = 'fixed'
stage = 'commit review'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue43592'
versions = ['Python 3.10']