diff --git a/charms/argo-controller/src/charm.py b/charms/argo-controller/src/charm.py
index 76c6c3e..4fedbaf 100755
--- a/charms/argo-controller/src/charm.py
+++ b/charms/argo-controller/src/charm.py
@@ -150,14 +150,10 @@ def _context_callable(self):
             "app_name": self.app.name,
             "namespace": self.model.name,
             "access_key": b64encode(
-                self.object_storage_relation.component.get_data()["access-key"].encode(
-                    "utf-8"
-                )
+                self.object_storage_relation.component.get_data()["access-key"].encode("utf-8")
             ).decode("utf-8"),
             "secret_key": b64encode(
-                self.object_storage_relation.component.get_data()["secret-key"].encode(
-                    "utf-8"
-                )
+                self.object_storage_relation.component.get_data()["secret-key"].encode("utf-8")
             ).decode("utf-8"),
             "mlpipeline_minio_artifact_secret": "mlpipeline-minio-artifact-secret",
             "argo_controller_configmap": ARGO_CONTROLLER_CONFIGMAP,
diff --git a/charms/argo-controller/src/components/pebble_component.py b/charms/argo-controller/src/components/pebble_component.py
index 3d27cfd..35688d6 100644
--- a/charms/argo-controller/src/components/pebble_component.py
+++ b/charms/argo-controller/src/components/pebble_component.py
@@ -16,7 +16,8 @@
 
 
 class ArgoControllerPebbleService(PebbleServiceComponent):
-    """Pebble service container component to configure Pebble layer"""
+    """Pebble service container component to configure Pebble layer."""
+
     def __init__(
         self,
         *args,