Fix github actions

.github/workflows/pythonpublish.yml

@@ -10,18 +10,23 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v1
+
     - name: Set up Python
       uses: actions/setup-python@v1
       with:
         python-version: '3.x'
+
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
         pip install setuptools wheel twine
-    - name: Build and publish
-      env:
-        TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
-        TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+
+    - name: Build source and wheel distributions
       run: |
         python setup.py sdist bdist_wheel
-        twine upload dist/*
+
+    - name: Publish distribution to PyPI
+      uses: pypa/gh-action-pypi-publish@master
+      with:
+        user: __token__
+        password: ${{ secrets.PIPY_TOKEN }}