Check self-setup

A simple test to see if the basics work

.github/workflows/pylint.yml

@@ -25,6 +25,9 @@ jobs:
     - name: Check execution
       run: |
         python piku.py
+    - name: Check if setup works in-place
+      run: |
+        python piku.py setup
     - name: Lint with flake8
       run: |
         pip install flake8