Pin cython<3

Signed-off-by: Keith Battocchi <kebatt@microsoft.com> Signed-off-by: star1327p <star1327p@gmail.com>
py-why · Jul 19, 2023 · 0ccae86 · 0ccae86
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commit 0ccae86
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Showing 3 changed files with 3 additions and 3 deletions.
diff --git a/.github/workflows/publish-documentation.yml b/.github/workflows/publish-documentation.yml
@@ -63,7 +63,7 @@ jobs:
           python-version: 3.8 # because of our supported TensorFlow versions, must build on 3.6-3.8
       - run: python -m pip install --upgrade pip && pip install --upgrade setuptools
         name: Ensure latest pip and setuptools
-      - run: pip install -U cython && pip install -e .[all] ${{ inputs.use_lkg && '-r lkg.txt' }}
+      - run: pip install -e .[all] ${{ inputs.use_lkg && '-r lkg.txt' }}
         name: Install econml[all]
       - run: sudo apt-get -yq install graphviz
         name: Install graphviz

diff --git a/.github/workflows/publish-package.yml b/.github/workflows/publish-package.yml
@@ -91,7 +91,7 @@ jobs:
           python-version: 3.8 # because of our supported TensorFlow versions, must build on 3.6-3.8
       - run: python -m pip install --upgrade pip && pip install --upgrade setuptools
         name: Ensure latest pip and setuptools
-      - run: pip install -U cython && pip install -e .[all] ${{ inputs.use_lkg && '-r lkg.txt' }}
+      - run: pip install -e .[all] ${{ inputs.use_lkg && '-r lkg.txt' }}
         name: Install econml[all]
       - run: python setup.py sdist
         name: Build sdist

diff --git a/pyproject.toml b/pyproject.toml
@@ -4,7 +4,7 @@ requires = [
     "wheel",
     "oldest-supported-numpy",
     "scipy",
-    "cython"
+    "cython<3" # Our native code has several incompatibilities with Cython 3
 ]
 build-backend = "setuptools.build_meta"