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Silence pytest warnings about asyncio fixture scope #6736

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merged 1 commit into from
Sep 19, 2024

Commits on Sep 19, 2024

  1. Silence pytest warnings about asyncio fixture scope

    In the current version of pytest (8.3.3) with the pytest-asyncio
    module version 0.24.0, we see the following warnings at the beginning
    of a pytest run:
    
    ```
    warnings.warn(PytestDeprecationWarning(_DEFAULT_FIXTURE_LOOP_SCOPE_UNSET))
    
    ..../lib/python3.10/site-packages/pytest_asyncio/plugin.py:208:
    PytestDeprecationWarning: The configuration option
    "asyncio_default_fixture_loop_scope" is unset. The event loop scope for
    asynchronous fixtures will default to the fixture caching scope. Future
    versions of pytest-asyncio will default the loop scope for asynchronous
    fixtures to function scope. Set the default fixture loop scope explicitly in
    order to avoid unexpected behavior in the future. Valid fixture loop scopes
    are: "function", "class", "module", "package", "session"
    ```
    
    A [currently-open issue and discussion over in the pytest-asyncio
    repo](pytest-dev/pytest-asyncio#924) suggests that
    this is an undesired side-effect of a recent change in pytest-asyncio and is
    not actually a significant warning. Moreover, the discussion suggests the
    warning will be removed or changed in the future.
    
    In the meantime, the warning is confusing because it makes it sound like
    something is wrong. This simple PR silences the warning by adding a suitable
    pytest init flag to `pyproject.toml'.
    mhucka committed Sep 19, 2024
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