Update python-publish.yml

.github/workflows/python-publish.yml

@@ -22,9 +22,23 @@ jobs:
     permissions:
       id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
     steps:
-    # retrieve your distributions here
+    - name: Check out the repository
+      uses: actions/checkout@v2
+
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.x'
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install build
+
+    - name: Build the package
+      run: python -m build
 
     - name: Publish package distributions to PyPI
       uses: pypa/gh-action-pypi-publish@release/v1
       with:
-       attestations: false
+        attestations: false