testing path restriction

.github/workflows/notebook_colab_gen.yml

@@ -1,11 +1,14 @@
 name: Build google colab notebooks
 run-name: ${{ github.actor }} is building colab notebooks from regular notebooks
 on: 
-  push
+  push:
+    paths:
+      - 'notebooks/**.ipynb'
 env:
   notebook_dir: "./notebooks"
   colab_directory: "./colab_notebooks"
 jobs:
+
   add_nbs:
     runs-on: ubuntu-latest
     steps: