diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index 21165be..4522de0 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -34,6 +34,7 @@ jobs:
       uses: isort/isort-action@master
       with:
         requirementsFiles: "requirements.txt doc/requirements.txt"
+        sortPaths: ['doc', 'src', 'examples', 'test', 'setup.py']
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names