Pin more below 4.0.0a0

Author: mroeschke

ci/deps/actions-310-minimum_versions.yaml

@@ -8,7 +8,7 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - cython<4.0
+  - cython<4.0.0a0
   - meson=1.2.1
   - meson-python=0.13.1
 

ci/deps/actions-310.yaml

@@ -6,7 +6,7 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - cython<4.0
+  - cython<4.0.0a0
   - meson=1.2.1
   - meson-python=0.13.1
 

ci/deps/actions-311-downstream_compat.yaml

@@ -7,7 +7,7 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - cython<4.0
+  - cython<4.0.0a0
   - meson=1.2.1
   - meson-python=0.13.1
 

ci/deps/actions-311-numpydev.yaml

@@ -8,7 +8,7 @@ dependencies:
   - versioneer
   - meson=1.2.1
   - meson-python=0.13.1
-  - cython<4.0
+  - cython<4.0.0a0
 
   # test dependencies
   - pytest>=7.3.2

ci/deps/actions-311-pyarrownightly.yaml

@@ -7,7 +7,7 @@ dependencies:
   # build dependencies
   - versioneer
   - meson=1.2.1
-  - cython<4.0
+  - cython<4.0.0a0
   - meson-python=0.13.1
 
   # test dependencies

ci/deps/actions-311.yaml

@@ -6,7 +6,7 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - cython<4.0
+  - cython<4.0.0a0
   - meson=1.2.1
   - meson-python=0.13.1
 

ci/deps/actions-312.yaml

@@ -6,7 +6,7 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - cython<4.0
+  - cython<4.0.0a0
   - meson=1.2.1
   - meson-python=0.13.1
 

ci/deps/actions-313-freethreading.yaml

@@ -7,7 +7,7 @@ dependencies:
   # build dependencies
   - setuptools
   - versioneer
-  - cython<4.0
+  - cython<4.0.0a0
   - meson=1.8.0
   - meson-python=0.18.0
 

ci/deps/actions-313.yaml

@@ -6,7 +6,7 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - cython<4.0
+  - cython<4.0.0a0
   - meson=1.2.1
   - meson-python=0.13.1
 

ci/deps/actions-pypy-39.yaml

@@ -9,7 +9,7 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - cython<4.0
+  - cython<4.0.0a0
   - meson=1.2.1
   - meson-python=0.13.1
 

environment.yml

@@ -8,7 +8,7 @@ dependencies:
 
   # build dependencies
   - versioneer
-  - cython~=3.1.0
+  - cython<4.0.0a0
   - meson=1.2.1
   - meson-python=0.13.1
 

pyproject.toml

@@ -5,7 +5,7 @@ requires = [
     "meson-python>=0.13.1",
     "meson>=1.2.1,<2",
     "wheel",
-    "Cython==3.1.0rc1",  # Note: sync with setup.py, environment.yml and asv.conf.json
+    "Cython<4.0.0a0",  # Note: sync with setup.py, environment.yml and asv.conf.json
     # Force numpy higher than 2.0rc1, so that built wheels are compatible
     # with both numpy 1 and 2
     "numpy>=2.0.0rc1",

requirements-dev.txt

@@ -3,7 +3,7 @@
 
 pip
 versioneer[toml]
-cython~=3.1.0
+cython<4.0.0a0
 meson[ninja]==1.2.1
 meson-python==0.13.1
 pytest>=7.3.2