add Mac OS CI (#350)

Author: zingale

.github/workflows/pytest-mac.yml

@@ -0,0 +1,39 @@
+name: pytest-mac
+
+on:
+  # Trigger the workflow on push or pull request,
+  # but only for the main branch
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  pytest:
+    runs-on: macos-latest
+
+    strategy:
+      matrix:
+        python-version: ["3.11", "3.12"]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: "pip"
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+
+      - name: Install pyro
+        run: pip install .
+
+      - name: Run tests with pytest
+        run: pytest -v --nbval --color=yes