bpo-32596: Lazy import concurrent.futures.process and thread by methane · Pull Request #5241

bpo-32596: Lazy import concurrent.futures.process and thread by methane · Pull Request #5241 · python/cpython

>>> import concurrent.futures
>>> concurrent.futures.__dict__.keys()
dict_keys(['__name__', '__doc__', '__package__', '__loader__', '__spec__', '__path__', '__file__', '__cached__', '__builtins__', '__author__', '_base', 'FIRST_COMPLETED', 'FIRST_EXCEPTION', 'ALL_COMPLETED', 'CancelledError', 'TimeoutError', 'BrokenExecutor', 'Future', 'Executor', 'wait', 'as_completed', '__all__', '__dir__', '__getattr__'])
>>> from concurrent.futures import *
>>> concurrent.futures.__dict__.keys()
dict_keys(['__name__', '__doc__', '__package__', '__loader__', '__spec__', '__path__', '__file__', '__cached__', '__builtins__', '__author__', '_base', 'FIRST_COMPLETED', 'FIRST_EXCEPTION', 'ALL_COMPLETED', 'CancelledError', 'TimeoutError', 'BrokenExecutor', 'Future', 'Executor', 'wait', 'as_completed', '__all__', '__dir__', '__getattr__', 'process', 'ProcessPoolExecutor', 'thread', 'ThreadPoolExecutor'])