require pre-numpy 2.0

.github/workflows/distribution.yml

@@ -22,7 +22,7 @@ jobs:
         with:
           python-version: 3.8
       - name: Install cibuildwheel
-        run: python -m pip install cibuildwheel==2.3.1
+        run: python -m pip install cibuildwheel
       - name: Build wheels
         run: python -m cibuildwheel --output-dir wheelhouse
         env:

pyproject.toml

@@ -1,12 +1,13 @@
 [build-system]
 requires = ["setuptools",
             "wheel",
-            "cython>=0.29.21",
+            "cython>=3.0.0",
             "numpy==1.16.0; python_version <= '3.7'",
             "numpy==1.17.3; python_version == '3.8'",
             "numpy==1.19.3; python_version == '3.9'",
             "numpy==1.21.4; python_version =='3.10'",
-            "numpy; python_version >= '3.11'",
+            "numpy==1.23.4; python_version=='3.11'",
+            "numpy; python_version >= '3.12'",
             ]
 
 # To ensure the best compatibility, try to match the numpy reqs

requirements.txt

@@ -3,7 +3,7 @@ astropy>=2.0.3,!=4.2.1,!=4.0.5
 Mako>=1.0.1
 scipy>=0.16.0
 matplotlib>=2.0.0
-numpy>=1.16.0,!=1.19.0
+numpy>=1.16.0,!=1.19.0,<2.0.0
 pillow
 h5py>=3.0.0,!=3.7.0
 jinja2

setup.py

@@ -34,7 +34,7 @@
 setup_requires = ['numpy>=1.16.0']
 install_requires = setup_requires + [
     'cython>=0.29',
-    'numpy>=1.16.0,!=1.19.0',
+    'numpy>=1.16.0,!=1.19.0,<2.0.0',
     'scipy>=0.16.0',
     'astropy>=2.0.3,!=4.2.1,!=4.0.5',
     'matplotlib>=1.5.1',