librarian generation failed for google-cloud-discoveryengine

[codyoss]

See internal bug for more details: b/483689264
PR: #15556

[parthea]

Same issue as #15524

==================================== ERRORS ====================================
_____________ ERROR at setup of test_rank_empty_call_grpc_asyncio ______________

self = <Coroutine test_rank_empty_call_grpc_asyncio>

>   ???

.nox/unit-3-14-protobuf_implementation-python/lib/python3.14/site-packages/pytest_asyncio/plugin.py:458: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.nox/unit-3-14-protobuf_implementation-python/lib/python3.14/site-packages/pytest_asyncio/plugin.py:728: in pytest_fixture_setup
    ???
.nox/unit-3-14-protobuf_implementation-python/lib/python3.14/site-packages/pytest_asyncio/plugin.py:806: in _scoped_runner
    ???
/usr/local/lib/python3.14/asyncio/runners.py:59: in __enter__
    ???
/usr/local/lib/python3.14/asyncio/runners.py:146: in _lazy_init
    ???
/usr/local/lib/python3.14/asyncio/events.py:844: in new_event_loop
    ???
/usr/local/lib/python3.14/asyncio/events.py:732: in new_event_loop
    ???
/usr/local/lib/python3.14/asyncio/unix_events.py:61: in __init__
    ???
/usr/local/lib/python3.14/asyncio/selector_events.py:63: in __init__
    ???
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <selectors.EpollSelector object at 0x7ff541e52030>

>   ???
E   OSError: [Errno 24] Too many open files

/usr/local/lib/python3.14/selectors.py:338: OSError
________________ ERROR at setup of test_cancel_operation_async _________________

self = <Coroutine test_cancel_operation_async>

>   ???

.nox/unit-3-14-protobuf_implementation-python/lib/python3.14/site-packages/pytest_asyncio/plugin.py:458: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.nox/unit-3-14-protobuf_implementation-python/lib/python3.14/site-packages/pytest_asyncio/plugin.py:728: in pytest_fixture_setup
    ???
.nox/unit-3-14-protobuf_implementation-python/lib/python3.14/site-packages/pytest_asyncio/plugin.py:806: in _scoped_runner
    ???
/usr/local/lib/python3.14/asyncio/runners.py:59: in __enter__
    ???
/usr/local/lib/python3.14/asyncio/runners.py:146: in _lazy_init
    ???
/usr/local/lib/python3.14/asyncio/events.py:844: in new_event_loop
    ???
/usr/local/lib/python3.14/asyncio/events.py:732: in new_event_loop
    ???
/usr/local/lib/python3.14/asyncio/unix_events.py:61: in __init__
    ???
/usr/local/lib/python3.14/asyncio/selector_events.py:63: in __init__
    ???
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <selectors.EpollSelector object at 0x7ff541b91910>

>   ???
E   OSError: [Errno 24] Too many open files

/usr/local/lib/python3.14/selectors.py:338: OSError
_________ ERROR at setup of test_cancel_operation_field_headers_async __________

self = <Coroutine test_cancel_operation_field_headers_async>

>   ???

.nox/unit-3-14-protobuf_implementation-python/lib/python3.14/site-packages/pytest_asyncio/plugin.py:458: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.nox/unit-3-14-protobuf_implementation-python/lib/python3.14/site-packages/pytest_asyncio/plugin.py:728: in pytest_fixture_setup
    ???
.nox/unit-3-14-protobuf_implementation-python/lib/python3.14/site-packages/pytest_asyncio/plugin.py:806: in _scoped_runner
    ???
/usr/local/lib/python3.14/asyncio/runners.py:59: in __enter__
    ???
/usr/local/lib/python3.14/asyncio/runners.py:146: in _lazy_init
    ???
/usr/local/lib/python3.14/asyncio/events.py:844: in new_event_loop
    ???
/usr/local/lib/python3.14/asyncio/events.py:732: in new_event_loop
    ???
/usr/local/lib/python3.14/asyncio/unix_events.py:61: in __init__
    ???
/usr/local/lib/python3.14/asyncio/selector_events.py:63: in __init__
    ???
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <selectors.EpollSelector object at 0x7ff541bc5d30>

>   ???
E   OSError: [Errno 24] Too many open files

/usr/local/lib/python3.14/selectors.py:338: OSError

[parthea]

Assigning to @ohmayr who is looking at a similar issue in #15524