Update publish.yml

Author: dciborow

.github/workflows/publish.yml

@@ -8,22 +8,22 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - if: ${{ github.event_name == 'release' }}
+      - if: ${{ github.event_name == 'release' && secrets.PYPI_PASSWORD != '' }}
         name: Publish Release to PyPi
         uses: dciborow/pyaction@0.0.28
         with:
           pypi_publish: true
           pypi_password: ${{ secrets.PYPI_PASSWORD }}
 
-      - if: ${{ github.event_name == 'push' }}
+      - if: ${{ github.event_name == 'push' && secrets.PYPI_PASSWORD != '' }}
         name: Publish RC to PyPi
         uses: dciborow/pyaction@0.0.28
         with:
           pypi_publish: true
           pypi_password: ${{ secrets.PYPI_PASSWORD }}
           version_suffix: -rc${{ github.run_number }}-post${{ github.run_attempt }}
 
-      - if: ${{ github.event_name == 'pull_request' }}
+      - if: ${{ github.event_name == 'pull_request' && secrets.TEST_PYPI_PASSWORD != '' }}
         name: Publish Snapshot to TestPyPi
         uses: dciborow/pyaction@0.0.28
         with: