Fixing github action python dependencies

Author: James Reynolds

.github/workflows/python-package.yml

@@ -36,6 +36,10 @@ jobs:
       - uses: actions/setup-python@v2
         with:
           python-version: 3.7
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install setuptools wheel twine
       - name: Build binary wheel and a source tarball
         run: python setup.py sdist bdist_wheel
       - name: Publish to PyPI