diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index abb270e..6725c2a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -72,5 +72,7 @@ jobs:
         run: |
           python3 -m pip install --upgrade pip poetry
           poetry install --with test
-      - name: Check linting using ruff
-        run: poetry run ruff .
+      - name: Check linting and formatting using ruff
+        run: |
+          poetry run ruff check
+          poetry run ruff format --check
diff --git a/eit_dash/__init__.py b/eit_dash/__init__.py
index b7d94e0..7c1448c 100644
--- a/eit_dash/__init__.py
+++ b/eit_dash/__init__.py
@@ -1,4 +1,5 @@
 """Documentation about eit_dash."""
+
 import logging
 
 logging.getLogger(__name__).addHandler(logging.NullHandler())
diff --git a/eit_dash/utils/common.py b/eit_dash/utils/common.py
index 0337810..2db3180 100644
--- a/eit_dash/utils/common.py
+++ b/eit_dash/utils/common.py
@@ -25,13 +25,16 @@ def create_slider_figure(
     if eit_variants is None:
         eit_variants = ["raw"]
 
-    traces = [{
-                "x": dataset.eit_data[eit_variant].time,
-                "y": dataset.eit_data[eit_variant].global_impedance,
-                "type": "scatter",
-                "mode": "lines",
-                "name": "a_level",
-            } for eit_variant in eit_variants]
+    traces = [
+        {
+            "x": dataset.eit_data[eit_variant].time,
+            "y": dataset.eit_data[eit_variant].global_impedance,
+            "type": "scatter",
+            "mode": "lines",
+            "name": "a_level",
+        }
+        for eit_variant in eit_variants
+    ]
 
     for cont_signal in continuous_data:
         traces.append(  # noqa: PERF401