Bug#1040051: prompt-toolkit breaks pymodbus autopkgtest: output on stderr: Task was destroyed but it is pending!

[Paul Gevers]

Source: prompt-toolkit, pymodbus
Control: found -1 prompt-toolkit/3.0.38-2
Control: found -1 pymodbus/3.0.0-7
Severity: serious
Tags: sid bookworm
User: debian...@lists.debian.org
Usertags: breaks needs-update

Dear maintainer(s),



                       pass            fail
prompt-toolkit         from testing    3.0.38-2
pymodbus               from testing    3.0.0-7
all others             from testing    from testing





More information about this bug and the reason for filing it can be found on
https://wiki.debian.org/ContinuousIntegration/RegressionEmailInformation

Paul

[1] https://qa.debian.org/excuses.php?package=prompt-toolkit

https://ci.debian.net/data/autopkgtest/testing/amd64/p/pymodbus/35000417/log.gz


 39s platform linux -- Python 3.11.4, pytest-7.2.1, pluggy-1.0.0+repack

 39s plugins: asyncio-0.20.3
 39s asyncio: mode=Mode.AUTO
 39s collected 443 items

 94s Task was destroyed but it is pending!

 95s autopkgtest [04:32:52]: test command1

With a recent upload of prompt-toolkit the autopkgtest of pymodbus fails in testing when that autopkgtest is run with the binary packages of prompt-toolkit from unstable. It passes when run with only packages from testing. In tabular form: I copied some of the output at the bottom of this report. I note that the test itself passes, but there's new output on stderr and without the allow-stderr restriction set, that's fatal by default in autopkgtest. Currently this regression is blocking the migration of prompt-toolkit to testing [1]. Due to the nature of this issue, I filed this bug report against both packages. Can you please investigate the situation and reassign the bug to the right package? 39s ============================= test session starts ============================== 39s rootdir: /tmp/autopkgtest-lxc.e_230abs/downtmp/build.UaK/src, configfile: setup.cfg 39s 39s test/test_all_messages.py ... [ 0%] 39s test/test_bit_read_messages.py ......... [ 2%] 39s test/test_bit_write_messages.py ......... [ 4%] 39s test/test_client.py .................................................... [ 16%] 39s .. [ 16%] 39s test/test_client_sync.py ............................ [ 23%] 39s test/test_client_sync_diag.py ..... [ 24%] 39s test/test_datastore.py ............................... [ 31%] 39s test/test_device.py ..................... [ 36%] 39s test/test_diag_messages.py ......... [ 38%] 39s test/test_events.py ...... [ 39%] 87s test/test_examples.py ................................... [ 47%] 87s test/test_exceptions.py . [ 47%] 87s test/test_factory.py ........... [ 50%] 87s test/test_file_message.py ....................... [ 55%] 88s test/test_framers.py ................................................. [ 66%] 88s test/test_interfaces.py ..... [ 67%] 88s test/test_mei_messages.py ........ [ 69%] 88s test/test_other_messages.py ....... [ 70%] 88s test/test_payload.py ......... [ 72%] 88s test/test_pdu.py .... [ 73%] 88s test/test_register_read_messages.py ........... [ 76%] 88s test/test_register_write_messages.py ............ [ 79%] 88s test/test_remote_datastore.py .... [ 79%] 88s test/test_repl_client.py .. [ 80%] 94s test/test_server_asyncio.py ....................... [ 85%] 94s test/test_server_context.py ........... [ 88%] 94s test/test_transaction.py .............................................. [ 98%] 94s test/test_utilities.py ..... [ 99%] 94s test/test_version.py .. [100%] 94s 94s ============================= 443 passed in 56.10s ============================= 94s task: <Task pending name='Task-12' coro=<AsyncModbusTcpClient._reconnect() running at /tmp/autopkgtest-lxc.e_230abs/downtmp/build.UaK/src/pymodbus/client/tcp.py:124> wait_for=<Future pending cb=[Task.task_wakeup()]>>

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