default for experimental

Author: dpkp

.github/workflows/python-package.yml

@@ -18,7 +18,7 @@ jobs:
 
     runs-on: ubuntu-latest
     name: Tests on ${{ matrix.python-version }}
-    continue-on-error: ${{ matrix.experimental }}
+    continue-on-error: ${{ matrix.experimental || false }}
     strategy:
       fail-fast: false
       matrix: