Fix failing testpypi uploads

Author: firecat53

.github/workflows/main.yml

@@ -121,9 +121,11 @@ jobs:
 
   publish-to-testpypi:
     name: Publish to TestPyPI
+    if: "!startsWith(github.ref, 'refs/tags/')"  # Skip on tag pushes (those go to real PyPI)
     needs:
       - build
     runs-on: ubuntu-latest
+    continue-on-error: true  # Don't fail the workflow if TestPyPI upload fails (e.g., version exists)
 
     environment:
       name: testpypi
@@ -142,3 +144,4 @@ jobs:
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
           repository-url: https://test.pypi.org/legacy/
+          skip-existing: true  # Skip if version already exists