Only trigger workflow on release created event action

ci/python-publish.yml

@@ -1,6 +1,8 @@
 name: Upload Python Package
 
-on: [release]
+on:
+  release:
+    types: [created]
 
 jobs:
   deploy:
@@ -8,17 +10,14 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: Set up Python
-      if: github.event.action == 'created'
       uses: actions/setup-python@v1
       with:
         python-version: '3.x'
     - name: Install dependencies
-      if: github.event.action == 'created'
       run: |
         python -m pip install --upgrade pip
         pip install setuptools wheel twine
     - name: Build and publish
-      if: github.event.action == 'created'
       env:
         TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
         TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}