Fixup: Try to install setuptools to see if it builds c ext
diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index 1a12097..2d59475 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -23,6 +23,8 @@
 
       - name: Build
         run: |
+          python -m pip install --upgrade pip
+          python -m pip install setuptools
           cd lib/py
           python setup.py sdist