diff --git a/.github/workflows/cicd.yml b/.github/workflows/cicd.yml
index 315f0ee..64abdbe 100644
--- a/.github/workflows/cicd.yml
+++ b/.github/workflows/cicd.yml
@@ -19,6 +19,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: psf/black@stable
+      - uses: isort/isort-action@v1
   lint:
     name: Lint with ruff
     runs-on: ubuntu-latest
@@ -127,4 +128,3 @@ jobs:
         with:
           # remove repository key to set the default to pypi (not test.pypi.org)
           repository-url: https://test.pypi.org/legacy/
-          
\ No newline at end of file
diff --git a/docs/conf.py b/docs/conf.py
index 4851ebe..fbaa22f 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -49,6 +49,7 @@
 html_js_files = [
     "https://cdnjs.cloudflare.com/ajax/libs/require.js/2.3.4/require.min.js"
 ]
+os.environ["PLOTLY_RENDERER"] = "notebook"  # compatibility with plotly6
 
 # https://myst-nb.readthedocs.io/en/latest/configuration.html
 # Execution
diff --git a/tests/test_mockup.py b/tests/test_mockup.py
index 9307ed3..295cb72 100644
--- a/tests/test_mockup.py
+++ b/tests/test_mockup.py
@@ -1,6 +1,7 @@
-from python_package import hello_world, saved_world
 import pytest
 
+from python_package import hello_world, saved_world
+
 
 def test_hello_world_3times():
     expected = "hello world hello world hello world"