Fix python workflow

Author: mdavezac

.github/workflows/python.yml

@@ -9,18 +9,18 @@ name: Python Build
   pull_request:
 
 jobs:
-  from-sdist:
-    name: python unit-tests
+  from_uv:
+    name: python source distribution
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/checkout@v4
       - name: Install uv
         uses: astral-sh/setup-uv@v5
         with:
           version: "0.6.5"
       - name: "Set up Python"
         uses: actions/setup-python@v5
         with:
-          python-version: 3.8
           python-version-file: "pyproject.toml"
 
       - name: Install pyssht
@@ -29,28 +29,56 @@ jobs:
       - name: run pytest
         run: uv run pytest tests/test_pyssht.py
 
+  from_sdist:
+    name: python source distribution
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          version: "0.6.5"
+      - name: "Set up Python"
+        uses: actions/setup-python@v5
+        with:
+          python-version-file: "pyproject.toml"
+
+      - name: Build sdist
+        run: uv build --sdist
+
+      - name: install wheel
+        run: 
+          - uv venv 
+          - "uv pip install dist/pyssht-*.tar.gz"
+
+      - name: run pytests
+        run: uv pip install pytest && uv run pytest tests
+
   build_wheels:
     name: Build wheels on ${{ matrix.os }}
     runs-on: macos-latest
 
     steps:
+      - uses: actions/checkout@v4
       - name: Install uv
         uses: astral-sh/setup-uv@v5
         with:
           version: "0.6.5"
       - name: "Set up Python"
         uses: actions/setup-python@v5
         with:
-          python-version: 3.8
+          python-version-file: "pyproject.toml"
 
       - name: Build wheels
         run: uv build --wheel
 
       - name: install wheel
-        run: "pip install dist/*.whl"
+        run: 
+          - uv venv 
+          - "uv pip install dist/*.whl"
 
       - name: run pytests
-        run: uv pip install pytest && pytest tests
+        run: uv pip install pytest && uv run pytest tests
 
   publication:
     name: publish to pypi