Added test_notebooks action

.github/workflows/test_notebooks.yaml

@@ -0,0 +1,25 @@
+name: test_notebooks
+
+on: [pull_request]
+
+jobs:
+  formatting:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Install poetry
+        run: pipx install poetry
+
+      - name: Setup Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.8"
+          cache: "poetry"
+
+      - name: Install dependencies
+        run: poetry install --no-interaction
+
+      - name: Execute all notebooks
+        run: ./tools/test_notebooks.sh

tools/test_notebooks.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+# Execute all notebook files under examples/tutorials to check that they work
+#
+# Usage example:
+#   ./tools/test_notebooks.sh
+
+# Checks that the code in all notebooks run
+for path in $(ls examples/tutorials/*.ipynb); do
+    poetry run jupyter nbconvert --execute $path --to python --stdout
+done