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ci: cap gevent for free-threaded Python #816

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ci: cap gevent for free-threaded Python #816

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5 changes: 4 additions & 1 deletion pyproject.toml
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Expand Up @@ -46,7 +46,10 @@ dev = [
"PyYAML",
"pure-sasl",
"twisted[tls]",
"gevent",
# gevent free-threading support is still unsettled upstream; keep the
# version below 26.4.0 until gevent/gevent#2087 and gevent/gevent#2127
# are resolved for CPython 3.14t CI jobs.
"gevent<26.4.0",
"eventlet>=0.33.3",
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@Lorak-mmk Lorak-mmk Apr 13, 2026

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I don't see how this could possibly be a correct solution.
gevent does not currently support free threading. The new version just makes that explicit.
The older version that you pinned to also doesn't support free threading. What will happen if we use it anyway? No idea. Flakiness / crashes? GIL forced enabled, making our free-threaded pipelines useless for testing no-GIL mode? No idea, but no option here is good.

The correct solution is to not have gevent as a dependency when running in free-threaded mode.

"cython>=3.2",
"packaging>=25.0",
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