raulcd commented on code in PR #46770:
URL: https://github.com/apache/arrow/pull/46770#discussion_r2137624465
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ci/scripts/python_build.sh:
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@@ -78,6 +78,13 @@ export PYARROW_PARALLEL=${n_jobs}
export CMAKE_PREFIX_PATH
export LD_LIBRARY_PATH=${ARROW_HOME}/lib:${LD_LIBRARY_PATH}
+# https://github.com/apache/arrow/issues/46516
+# If we are building docs we force Cython>3.1.1 to avoid numpydoc
+# failures due to Cython docstring being wrongly generated.
+if [ "${BUILD_DOCS_PYTHON}" == "ON" ]; then
+ ${PYTHON:-python} -m pip install --upgrade Cython>3.1.1
Review Comment:
> Will that work properly if Cython was installed using conda?
It does fix the existing failures which install Cython through conda, so the
answer seems to be yes (without this it still fails) because the cached docker
image installed Cython 3.1.1
> Also, is this necessary at all?
I don't think we should merge that specific change, I was validating the
existing failing CI jobs.
I think the bests course of action would be to force rebuild the underlying
docker image so it is not caches and it installs Cython 3.1.2. I am asking on
Zulip if someone has access to
[docker.io/apache/arrow-dev](http://docker.io/apache/arrow-dev) as rebuilding
the image would fix the issue
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