Merge pull request #203 from econ-ark/move-to-mamba-for-CI

Use micromamba in CI and drop py3.8

.github/workflows/build.yml

@@ -17,19 +17,18 @@ jobs:
       max-parallel: 12
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.8", "3.9", "3.10"]
+        python-version: ["3.9", "3.10", "3.11"]
 
     steps:
-      - uses: actions/checkout@v1
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v1
+      - uses: actions/checkout@v2
+
+      - name: Setup mamba environment to run notebooks
+        uses: mamba-org/provision-with-micromamba@main
         with:
-          python-version: ${{ matrix.python-version }}
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install -r binder/requirements.txt
+          environment-file: binder/environment.yml
+          extra-specs: |
+            pytest
       - name: Test with nbval
+        shell: bash -l {0}
         run: |
-          pip install pytest
-          pytest --nbval-lax --nbval-cell-timeout=12000 --ignore=notebooks/Chinese-Growth.ipynb  notebooks/
+          python -m pytest --nbval-lax --nbval-cell-timeout=12000 --ignore=notebooks/Chinese-Growth.ipynb  notebooks/