Back to cibuildwheel V1 to examine tree output

Author: AlexanderWells-diamond

.github/workflows/code.yml

@@ -63,7 +63,7 @@ jobs:
           python-version: "3.7"
 
       - name: Install Python Dependencies
-        run: pip install build cibuildwheel
+        run: pip install build cibuildwheel==1.* # The 2.* releases dropped Python2 support.
 
       - name: Build Sdist
         if: matrix.sdist