From 4a62243033fc20c91bb660d47aedad236379a70d Mon Sep 17 00:00:00 2001
From: Thomas Li <47963215+lithomas1@users.noreply.github.com>
Date: Fri, 25 Aug 2023 17:36:19 -0700
Subject: [PATCH] Backport PR #54759: CI: Pin more cython

---
 .github/workflows/unit-tests.yml  | 6 +++---
 ci/deps/actions-311-numpydev.yaml | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 030c9546fecca..6410f2edd6175 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -234,7 +234,7 @@ jobs:
           /opt/python/cp311-cp311/bin/python -m venv ~/virtualenvs/pandas-dev
           . ~/virtualenvs/pandas-dev/bin/activate
           python -m pip install --no-cache-dir -U pip wheel setuptools meson[ninja]==1.0.1 meson-python==0.13.1
-          python -m pip install --no-cache-dir versioneer[toml] cython numpy python-dateutil pytz pytest>=7.3.2 pytest-xdist>=2.2.0 pytest-asyncio>=0.17 hypothesis>=6.46.1
+          python -m pip install --no-cache-dir versioneer[toml] "cython<3.0.1" numpy python-dateutil pytz pytest>=7.3.2 pytest-xdist>=2.2.0 pytest-asyncio>=0.17 hypothesis>=6.46.1
           python -m pip install --no-cache-dir --no-build-isolation -e .
           python -m pip list --no-cache-dir
           export PANDAS_CI=1
@@ -272,7 +272,7 @@ jobs:
           /opt/python/cp311-cp311/bin/python -m venv ~/virtualenvs/pandas-dev
           . ~/virtualenvs/pandas-dev/bin/activate
           python -m pip install --no-cache-dir -U pip wheel setuptools meson-python==0.13.1 meson[ninja]==1.0.1
-          python -m pip install --no-cache-dir versioneer[toml] cython numpy python-dateutil pytz pytest>=7.3.2 pytest-xdist>=2.2.0 pytest-asyncio>=0.17 hypothesis>=6.46.1
+          python -m pip install --no-cache-dir versioneer[toml] "cython<3.0.1" numpy python-dateutil pytz pytest>=7.3.2 pytest-xdist>=2.2.0 pytest-asyncio>=0.17 hypothesis>=6.46.1
           python -m pip install --no-cache-dir --no-build-isolation -e .
           python -m pip list --no-cache-dir
 
@@ -345,7 +345,7 @@ jobs:
           python -m pip install --upgrade pip setuptools wheel meson[ninja]==1.0.1 meson-python==0.13.1
           python -m pip install --pre --extra-index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple numpy
           python -m pip install versioneer[toml]
-          python -m pip install python-dateutil pytz tzdata cython hypothesis>=6.46.1 pytest>=7.3.2 pytest-xdist>=2.2.0 pytest-cov pytest-asyncio>=0.17
+          python -m pip install python-dateutil pytz tzdata "cython<3.0.1" hypothesis>=6.46.1 pytest>=7.3.2 pytest-xdist>=2.2.0 pytest-cov pytest-asyncio>=0.17
           python -m pip install -ve . --no-build-isolation --no-index
           python -m pip list
 
diff --git a/ci/deps/actions-311-numpydev.yaml b/ci/deps/actions-311-numpydev.yaml
index 1766721459ed2..acf94fce5288b 100644
--- a/ci/deps/actions-311-numpydev.yaml
+++ b/ci/deps/actions-311-numpydev.yaml
@@ -25,7 +25,7 @@ dependencies:
   - pip
 
   - pip:
-    - "cython<=3.0.1"
+    - "cython<3.0.1"
     - "--extra-index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple"
     - "--pre"
     - "numpy"