Update publish-release.yml

Author: johmedr

.github/workflows/publish-release.yml

@@ -119,7 +119,7 @@ jobs:
           cat pyproject.toml
 
       - name: Setup Python version (2.7) 
-        if: matrix.python == "2.7"
+        if:  ${{ !matrix.py3from }}
         run: |
           sed -i 's/^python-requires = .*/python-requires = ">=2.7,<3.1"/' pyproject.toml
           echo "[tool.distutils.bdist_wheel]" >> pyproject.toml