Show jupytext version

Author: hansthen

.github/workflows/test_selenium.yml

@@ -32,7 +32,7 @@ jobs:
 
     - name: Debug into
       shell: bash -l {0}
-      run: xargs jupytext --to notebook --execute docs/getting_started.md
+      run: jupytext --version
 
     - name: Selenium tests
       shell: bash -l {0}