only form tarball for pypi

Author: julesghub

.github/workflows/publish-to-pypi.yaml

@@ -19,13 +19,12 @@ jobs:
         generate-run-shell: true
         cache-environment: true
         #cache-downloads: false
-    - name: Form tarball and wheel to publish
+    - name: Form tarball to publish
       run: | 
         micromamba env list 
         micromamba list -v
         env
-        pip install build --user
-        python3 -m build
+        python3 setup.py sdist
       shell: micromamba-shell {0}
     - name: Store the distribution packages
       uses: actions/upload-artifact@v4