CI/CD pipeline to build on main commit and publish to PyPI on release 2

.gitlab-ci.yml

@@ -4,7 +4,7 @@ default:
     paths:
       - .pip-cache/
   before_script:
-    - python --version
+    - python3 --version
     - pip install --upgrade pip
     - pip install build twine
 
@@ -19,7 +19,7 @@ variables:
 build:
   stage: build
   script:
-    - python -m build
+    - python3 -m build
   artifacts:
     paths:
       - dist/
@@ -38,7 +38,7 @@ build:
 publish:
   stage: publish
   script:
-    - TWINE_PASSWORD=${PYPI_TOKEN} TWINE_USERNAME=__token__ python -m twine upload dist/*
+    - TWINE_PASSWORD=${PYPI_TOKEN} TWINE_USERNAME=__token__ python3 -m twine upload dist/*
   rules:
     - if: $CI_COMMIT_TAG
     - if: $CI_PIPELINE_SOURCE == "release"