Update main.yml

Author: LostInDarkMath

.github/workflows/main.yml

@@ -34,17 +34,14 @@ jobs:
    needs: test
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/master'   # only on master
+   environment:
+     name: pypi-deployment
    steps:
    - uses: actions/checkout@v4
    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: 3.12 # Specify the Python version you want to use for deployment
-   - name: check PYPI USERNAME exists
-     env:
-       super_secret: ${{ secrets.PYPI_USERNAME }}
-     if: ${{ env.super_secret == '' }}
-     run: echo "echo the secret \"PYPI_USERNAME\" has not been made; echo please go to \"settings \> secrets \> actions\" to create it"
    - name: Set Twine Environment Variables
      run: |
        echo "TWINE_USERNAME=${{ secrets.PYPI_USERNAME }}" >> $GITHUB_ENV