Restore build on tag

.github/workflows/push.yml

@@ -37,30 +37,3 @@ jobs:
 
     - name: Test with tox
       run: tox
-
-  release:
-    runs-on: ubuntu-latest
-
-    if: startsWith(github.ref, 'refs/tags')
-
-    needs: test
-
-    steps:
-      - uses: actions/checkout@master
-
-      - name: Set up Python 3.9
-        uses: actions/setup-python@v1
-        with:
-          python-version: 3.9
-
-      - name: Install pypa/build
-        run: python -m pip install build --user
-
-      - name: Build a binary wheel and a source tarball
-        run: >-
-          python -m build --sdist --wheel --outdir dist/ .
-
-      - name: Publish distribution to PyPI
-        uses: pypa/gh-action-pypi-publish@master
-        with:
-          password: ${{ secrets.pypi_password }}

.github/workflows/tag.yml

@@ -0,0 +1,61 @@
+name: Tag
+
+on:
+  push:
+    tags:
+       - '*'
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      max-parallel: 5
+      matrix:
+        python-version:
+          - 2.7
+          - 3.6
+          - 3.7
+          - 3.8
+          - 3.9
+
+    steps:
+    - uses: actions/checkout@v1
+
+    - 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
+        pip install tox tox-gh-actions
+
+    - name: Test with tox
+      run: tox
+
+  release:
+    runs-on: ubuntu-latest
+
+    needs: test
+
+    steps:
+      - uses: actions/checkout@master
+
+      - name: Set up Python 3.9
+        uses: actions/setup-python@v1
+        with:
+          python-version: 3.9
+
+      - name: Install pypa/build
+        run: python -m pip install build --user
+
+      - name: Build a binary wheel and a source tarball
+        run: >-
+          python -m build --sdist --wheel --outdir dist/ .
+
+      - name: Publish distribution to PyPI
+        uses: pypa/gh-action-pypi-publish@master
+        with:
+          password: ${{ secrets.pypi_password }}