Update main.yml

Author: LostInDarkMath

.github/workflows/main.yml

@@ -40,11 +40,15 @@ jobs:
      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.MY_SECRET }}
+     if: ${{ secrets.PYPI_USERNAME == '' }}
+     run: 'echo "echo the secret \"PYPI_USERNAME\" has not been made; echo please go to \"settings \> secrets \> actions\" to create it"
    - name: Set Twine Environment Variables
      run: |
        echo "TWINE_USERNAME=${{ secrets.PYPI_USERNAME }}" >> $GITHUB_ENV
        echo "TWINE_PASSWORD=${{ secrets.PYPI_PASSWORD }}" >> $GITHUB_ENV
-       echo "TWINE_PASSWORD=${{ secrets.PYPI_USERNAME }}"
    - name: Build and Upload to PyPI
      run: |
         pip install -U setuptools twine wheel