follow ChatGPT's suggestion

.github/workflows/testing.yml

@@ -16,18 +16,18 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4
-    - uses: conda-incubator/setup-miniconda@v2
+    - name: Set up Python
+      uses: actions/setup-python@v4
       with:
-        miniforge-variant: Mambaforge
-        activate-environment: mamonca-test
-        channel-priority: strict
-        environment-file: .ci_support/environment.yml
         python-version: ${{ matrix.python-version }}
-        use-only-tar-bz2: true
+
+    - name: Install dependencies
+      run: |
+        pip install numpy cython scipy
+        pip install .
 
     - name: run tests
       shell: bash -l {0}
       run: |
-        pip install -e .
         python -m unittest discover tests/
 

setup.py

@@ -1,11 +1,20 @@
 from setuptools.command.build_ext import build_ext
 from setuptools import setup, Extension
+import numpy
 
+# Check if Cython is available
+try:
+    from Cython.Build import cythonize
+except ImportError:
+    def cythonize(module_list):
+        return module_list
 
+# Define the extension module
 ext = Extension(
     'mamonca',
     sources=["mamonca/mc.pyx"],
     language="c++",
+    include_dirs=[numpy.get_include()],
     extra_compile_args=['-std=c++11'],
 )
 
@@ -23,12 +32,12 @@
     author_email='[email protected]',
     license='BSD',
     cmdclass={"build_ext": build_ext},
-    ext_modules=[ext],
+    ext_modules=cythonize([ext]),
     options={'build': {'build_lib': 'mamonca'}},
     setup_requires=[
-        # Setuptools 18.0 properly handles Cython extensions.
         'setuptools>=18.0',
         'cython',
         'numpy',
     ],
 )
+