gaoxinge <gao...@gmail.com> added the comment:
```
from concurrent.futures import ThreadPoolExecutor
from time import sleep
def wait_on_future():
sleep(1)
print(f.done()) # f is not done obviously
f2 = executor.submit(pow, 5, 2)
print(f2.result())
sleep(1)
executor = ThreadPoolExecutor(max_workers=100)
f = executor.submit(wait_on_future)
executor.shutdown(wait=True)
print(f.done()) # True
print(f.result()) # raise errror: cannot schedule new futures after
shutdown
# print(f.exception())
```
Actually `executor.shutdown(wait=True)` works, it really wait f to be done.
----------
nosy: +gaoxinge
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue40093>
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