publish only on master

.github/workflows/pypi.yaml

@@ -1,17 +1,10 @@
 name: ytld-sub PyPI
 on:
   push:
-    # Publish `master` as Docker `latest` image.
+    # publish only when pushed to master
     branches:
       - master
 
-    # Publish `v1.2.3` tags as releases.
-    tags:
-      - v*
-
-  # Run tests for any PRs.
-  pull_request:
-
 jobs:
   build-and-publish:
     name: build-and-publish
@@ -32,13 +25,6 @@ jobs:
         run: |
           make wheel
 
-      - name: Publish distribution 📦 to Test PyPI
-        if: ${{ github.ref != 'refs/heads/master' }}
-        uses: pypa/gh-action-pypi-publish@release/v1
-        with:
-          password: ${{ secrets.PYPI_TEST_API_TOKEN }}
-          repository_url: https://test.pypi.org/legacy/
-
       - name: Publish distribution 📦 to PyPI
         if: ${{ github.ref == 'refs/heads/master' }}
         uses: pypa/gh-action-pypi-publish@release/v1