Do not use testpypi, as it requires new version number on each commit.

.github/workflows/publish_pypi.yml

@@ -4,6 +4,8 @@ on: push
 
 jobs:
   build-n-publish:
+  if: startsWith(github.ref, 'refs/tags')
+
     name: Build and publish Python 🐍 distributions 📦 to PyPI and TestPyPI
     runs-on: ubuntu-20.04
 
@@ -22,14 +24,13 @@ jobs:
       run: >-
         python setup.py sdist bdist_wheel
 
-    - name: Publish distribution 📦 to Test PyPI
-      uses: pypa/gh-action-pypi-publish@master
-      with:
-        password: ${{ secrets.PYPI_TEST_API }}
-        repository_url: https://test.pypi.org/legacy/
+    # - name: Publish distribution 📦 to Test PyPI
+    #   uses: pypa/gh-action-pypi-publish@master
+    #   with:
+    #     password: ${{ secrets.PYPI_TEST_API }}
+    #     repository_url: https://test.pypi.org/legacy/
 
     - name: Publish distribution 📦 to PyPI
-      if: startsWith(github.ref, 'refs/tags')
       uses: pypa/gh-action-pypi-publish@master
       with:
         password: ${{ secrets.PYPI_API }}