Skip to content

on Windows, mlserver raises AttributeError: module 'signal' has no attribute 'SIGQUIT' #1022

Description

@HugoMVale

Hello,
I am on Windows with python 3.10.10:

(.venv) PS C:\Code\test> python --version
Python 3.10.10

and with the following dependencies:

(.venv) PS C:\Code\test> pip list
Package            Version
------------------ ---------
aiofiles           23.1.0
aiohttp            3.8.4
aiokafka           0.8.0
aiosignal          1.3.1
anyio              3.6.2
async-timeout      4.0.2
attrs              22.2.0
Brotli             1.0.9
certifi            2022.12.7
cffi               1.15.1
charset-normalizer 3.0.1
click              8.1.3
colorama           0.4.6
fastapi            0.89.1
frozenlist         1.3.3
gevent             22.10.2
geventhttpclient   2.0.2
greenlet           2.0.2
grpcio             1.51.3
h11                0.14.0
idna               3.4
joblib             1.2.0
kafka-python       2.0.2
mlserver           1.2.3
multidict          6.0.4
numpy              1.24.2
orjson             3.8.7
packaging          23.0
pandas             1.5.3
pip                22.3.1
prometheus-client  0.16.0
protobuf           4.22.0
py-grpc-prometheus 0.7.0
pycparser          2.21
pydantic           1.10.5
python-dateutil    2.8.2
python-dotenv      1.0.0
python-rapidjson   1.9
pytz               2022.7.1
scikit-learn       1.2.1
scipy              1.10.1
setuptools         65.5.0
six                1.16.0
sniffio            1.3.0
starlette          0.22.0
starlette-exporter 0.15.1
threadpoolctl      3.1.0
tritonclient       2.31.0
typing_extensions  4.5.0
uvicorn            0.20.0
yarl               1.8.2
zope.event         4.6
zope.interface     5.5.2

When I try running mlserver, I always get the following error message:

(.venv) PS C:\Code\test> mlserver
Traceback (most recent call last):
  File "C:\Users\hugom\.pyenv\pyenv-win\versions\3.10.10\lib\runpy.py", line 196, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "C:\Users\hugom\.pyenv\pyenv-win\versions\3.10.10\lib\runpy.py", line 86, in _run_code
    exec(code, run_globals)
  File "C:\Code\test\.venv\Scripts\mlserver.exe\__main__.py", line 4, in <module>
  File "C:\Code\test\.venv\lib\site-packages\mlserver\__init__.py", line 2, in <module>
    from .server import MLServer
  File "C:\Code\test\.venv\lib\site-packages\mlserver\server.py", line 13, in <module>
    from .parallel import InferencePool
  File "C:\Code\test\.venv\lib\site-packages\mlserver\parallel\__init__.py", line 1, in <module>
    from .pool import InferencePool
  File "C:\Code\test\.venv\lib\site-packages\mlserver\parallel\pool.py", line 8, in <module>
    from .model import ParallelModel
  File "C:\Code\test\.venv\lib\site-packages\mlserver\parallel\model.py", line 11, in <module>
    from .dispatcher import Dispatcher
  File "C:\Code\test\.venv\lib\site-packages\mlserver\parallel\dispatcher.py", line 11, in <module>
    from .worker import Worker
  File "C:\Code\test\.venv\lib\site-packages\mlserver\parallel\worker.py", line 24, in <module>
    IGNORED_SIGNALS = [signal.SIGINT, signal.SIGTERM, signal.SIGQUIT]
AttributeError: module 'signal' has no attribute 'SIGQUIT'

Is this a known issue?
According to this there is no SIGQUIT in Windows...

Metadata

Metadata

Assignees

No one assigned

    Labels

    No labels
    No labels

    Type

    No type

    Projects

    No projects

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions