reinstate slack notifications

Author: bnmnetp

.github/workflows/python-package.yml

@@ -4,36 +4,44 @@
 name: Python package
 
 on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
+    push:
+        branches: [master]
+    pull_request:
+        branches: [master]
 
 jobs:
-  build:
+    build:
+        runs-on: ubuntu-latest
+        env:
+            SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK }}
+        strategy:
+            matrix:
+                python-version: ["3.7", "3.8"]
 
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python-version: ['3.7', '3.8']
+        steps:
+            - uses: actions/checkout@v2
+            - uses: actions/setup-node@v2.1.2
+            - name: Setup npm and build runestone.js
+              run: |
+                  npm install
+                  npm run build
+            - name: Set up Python ${{ matrix.python-version }}
+              uses: actions/setup-python@v2
+              with:
+                  python-version: ${{ matrix.python-version }}
+            - name: Install dependencies
+              run: |
+                  python -m pip install --upgrade pip
+                  python -m pip install flake8 pytest
+                  pip install .
+                  if [ -f requirements-dev.txt ]; then pip install -r requirements-dev.txt; fi
+            - name: Test with pytest
+              run: |
+                  pytest
 
-    steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-node@v2.1.2
-    - name: Setup npm and build runestone.js  
-      run: |
-            npm install
-            npm run build
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
-      with:
-        python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        python -m pip install flake8 pytest
-        pip install .
-        if [ -f requirements-dev.txt ]; then pip install -r requirements-dev.txt; fi
-    - name: Test with pytest
-      run: |
-        pytest
+            - name: Update Slack
+            - uses: act10ns/slack@v1
+              with:
+                  status: ${{ job.status }}
+                  channel: "#builds"
+              if: always()