diff --git a/ros_gz_bridge/ros_gz_bridge/actions/ros_gz_bridge.py b/ros_gz_bridge/ros_gz_bridge/actions/ros_gz_bridge.py
index 3149250b..bd931698 100644
--- a/ros_gz_bridge/ros_gz_bridge/actions/ros_gz_bridge.py
+++ b/ros_gz_bridge/ros_gz_bridge/actions/ros_gz_bridge.py
@@ -64,19 +64,26 @@ def __init__(
         self.__container_name = container_name
         self.__namespace = namespace
 
-        # This is here to allow using strings or booleans as values for boolean variables when the Action is used from Python
-        # i.e., this allows users to do:
+        # This is here to allow using strings or booleans as values for boolean variables when
+        # the Action is used from Python i.e., this allows users to do:
         #   RosGzBridge(bridge_name='bridge1', use_composition='true', create_own_container=True)
-        # Note that use_composition is set to a string while create_own_container is set to a boolean. The reverse would also work.
-        # At some point, we might want to deprecate this and only allow setting booleans since that's
-        # what users would expect when calling this from Python
+        # Note that use_composition is set to a string while create_own_container is set to a
+        # boolean. The reverse would also work.
+        # At some point, we might want to deprecate this and only allow setting booleans since
+        # that's what users would expect when calling this from Python
         if isinstance(create_own_container, str):
-            self.__create_own_container = normalize_typed_substitution(TextSubstitution(text=create_own_container), bool)
+            self.__create_own_container = normalize_typed_substitution(
+                TextSubstitution(text=create_own_container), bool
+            )
         else:
-            self.__create_own_container = normalize_typed_substitution(create_own_container, bool)
+            self.__create_own_container = normalize_typed_substitution(
+                create_own_container, bool
+            )
 
         if isinstance(use_composition, str):
-            self.__use_composition = normalize_typed_substitution(TextSubstitution(text=use_composition), bool)
+            self.__use_composition = normalize_typed_substitution(
+                TextSubstitution(text=use_composition), bool
+            )
         else:
             self.__use_composition = normalize_typed_substitution(use_composition, bool)
 
@@ -87,7 +94,7 @@ def __init__(
     @classmethod
     def parse(cls, entity: Entity, parser: Parser):
         """Parse ros_gz_bridge."""
-        kwargs:Dict = super().parse(entity, parser)[1]
+        kwargs: Dict = super().parse(entity, parser)[1]
 
         bridge_name = entity.get_attr(
             'bridge_name', data_type=str,
@@ -183,8 +190,12 @@ def execute(self, context: LaunchContext) -> Optional[List[Action]]:
             bridge_params_pairs = simplified_bridge_params.split(',')
             parsed_bridge_params = dict(pair.split(':') for pair in bridge_params_pairs)
 
-        use_composition_eval = perform_typed_substitution(context, self.__use_composition, bool)
-        create_own_container_eval = perform_typed_substitution(context, self.__create_own_container, bool)
+        use_composition_eval = perform_typed_substitution(
+            context, self.__use_composition, bool
+        )
+        create_own_container_eval = perform_typed_substitution(
+            context, self.__create_own_container, bool
+        )
 
         launch_descriptions: List[Action] = []
 
diff --git a/ros_gz_sim/ros_gz_sim/actions/gzserver.py b/ros_gz_sim/ros_gz_sim/actions/gzserver.py
index 975a7883..7e3ee3d3 100644
--- a/ros_gz_sim/ros_gz_sim/actions/gzserver.py
+++ b/ros_gz_sim/ros_gz_sim/actions/gzserver.py
@@ -114,23 +114,28 @@ def __init__(
         self.__world_sdf_string = world_sdf_string
         self.__container_name = container_name
 
-
-        # This is here to allow using strings or booleans as values for boolean variables when the Action is used from Python
-        # See the RosGzBridge.__init__ function for more details.
+        # This is here to allow using strings or booleans as values for boolean variables when
+        # the Action is used from Python See the RosGzBridge.__init__ function for more details.
         if isinstance(create_own_container, str):
-            self.__create_own_container = normalize_typed_substitution(TextSubstitution(text=create_own_container), bool)
+            self.__create_own_container = normalize_typed_substitution(
+                TextSubstitution(text=create_own_container), bool
+            )
         else:
-            self.__create_own_container = normalize_typed_substitution(create_own_container, bool)
+            self.__create_own_container = normalize_typed_substitution(
+                create_own_container, bool
+            )
 
         if isinstance(use_composition, str):
-            self.__use_composition = normalize_typed_substitution(TextSubstitution(text=use_composition), bool)
+            self.__use_composition = normalize_typed_substitution(
+                TextSubstitution(text=use_composition), bool
+            )
         else:
             self.__use_composition = normalize_typed_substitution(use_composition, bool)
 
     @classmethod
     def parse(cls, entity: Entity, parser: Parser):
         """Parse gz_server."""
-        kwargs:Dict = super().parse(entity, parser)[1]
+        kwargs: Dict = super().parse(entity, parser)[1]
 
         world_sdf_file = entity.get_attr(
             'world_sdf_file', data_type=str,
@@ -177,7 +182,6 @@ def parse(cls, entity: Entity, parser: Parser):
 
     def execute(self, context: LaunchContext) -> Optional[List[Action]]:
         """Execute the action."""
-
         launch_descriptions: List[Action] = []
 
         model_paths, plugin_paths = GazeboRosPaths.get_paths()
@@ -195,8 +199,12 @@ def execute(self, context: LaunchContext) -> Optional[List[Action]]:
                 model_paths,
             ])))
 
-        use_composition_eval = perform_typed_substitution(context, self.__use_composition, bool)
-        create_own_container_eval = perform_typed_substitution(context, self.__create_own_container, bool)
+        use_composition_eval = perform_typed_substitution(
+            context, self.__use_composition, bool
+        )
+        create_own_container_eval = perform_typed_substitution(
+            context, self.__create_own_container, bool
+        )
         if not use_composition_eval:
             # Standard node configuration
             launch_descriptions.append(Node(