diff --git a/src/scwidgets/check/_widget_check_registry.py b/src/scwidgets/check/_widget_check_registry.py
index 582239a..ccdba22 100644
--- a/src/scwidgets/check/_widget_check_registry.py
+++ b/src/scwidgets/check/_widget_check_registry.py
@@ -250,9 +250,9 @@ def check_widget(self, widget: CheckableWidget) -> Union[ChecksResult, Exception
     def check_all_widgets(
         self,
     ) -> OrderedDict[CheckableWidget, Union[ChecksResult, Exception]]:
-        messages: OrderedDict[
-            CheckableWidget, Union[ChecksResult, Exception]
-        ] = OrderedDict()
+        messages: OrderedDict[CheckableWidget, Union[ChecksResult, Exception]] = (
+            OrderedDict()
+        )
         for widget in self._checks.keys():
             try:
                 messages[widget] = self.check_widget(widget)
diff --git a/src/scwidgets/exercise/_widget_code_exercise.py b/src/scwidgets/exercise/_widget_code_exercise.py
index 79dd625..17283a0 100644
--- a/src/scwidgets/exercise/_widget_code_exercise.py
+++ b/src/scwidgets/exercise/_widget_code_exercise.py
@@ -445,9 +445,11 @@ def __init__(
     def answer(self) -> dict:
         return {
             "code": None if self._code is None else self._code.function_body,
-            "parameter_panel": None
-            if self._parameter_panel is None
-            else self._parameter_panel.parameters,
+            "parameter_panel": (
+                None
+                if self._parameter_panel is None
+                else self._parameter_panel.parameters
+            ),
         }
 
     @answer.setter