Fix publish workflow

Author: mbavenga

.github/workflows/pythonpublish.yml

@@ -19,6 +19,8 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install setuptools wheel 
+          pip install setuptools wheel
+      - name: Create dist
+          python setup.py sdist bdist_wheel
       - name: Publish package distributions to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1