diff --git a/osm_lcm/ns.py b/osm_lcm/ns.py
index 2b2cadc..56d87cf 100644
--- a/osm_lcm/ns.py
+++ b/osm_lcm/ns.py
@@ -5288,7 +5288,9 @@
                         if len(parts) == 2:
                             kdu_model = parts[0]
                     if desc_params.get("kdu_atomic_upgrade"):
-                        atomic_upgrade = desc_params.get("kdu_atomic_upgrade").lower() in ("yes", "true", "1")
+                        atomic_upgrade = desc_params.get(
+                            "kdu_atomic_upgrade"
+                        ).lower() in ("yes", "true", "1")
                         del desc_params["kdu_atomic_upgrade"]
                     else:
                         atomic_upgrade = True
@@ -5843,7 +5845,7 @@
                     current_charm_artifact_path,
                     target_charm_artifact_path,
                     charm_artifact_paths,
-                    helm_artifacts
+                    helm_artifacts,
                 ) = ([], [], [], [])
 
                 step = "Checking if revision has changed in VNFD"
@@ -5923,29 +5925,34 @@
                                     # add chart to list and all parameters
                                     step = "Getting helm chart name"
                                     chart_name = ee_item.get("helm-chart")
-                                    if ee_item.get("helm-version") and ee_item.get("helm-version") == "v2":
+                                    if (
+                                        ee_item.get("helm-version")
+                                        and ee_item.get("helm-version") == "v2"
+                                    ):
                                         vca_type = "helm"
                                     else:
                                         vca_type = "helm-v3"
                                     step = "Setting Helm chart artifact paths"
 
-                                    helm_artifacts.append({
-                                        "current_artifact_path": get_charm_artifact_path(
-                                            current_base_folder,
-                                            chart_name,
-                                            vca_type,
-                                            current_vnf_revision,
-                                        ),
-                                        "target_artifact_path": get_charm_artifact_path(
-                                            latest_base_folder,
-                                            chart_name,
-                                            vca_type,
-                                            latest_vnfd_revision,
-                                        ),
-                                        "ee_id": ee_id,
-                                        "vca_index": vca_index,
-                                        "vdu_index": vdu_count_index,
-                                    })
+                                    helm_artifacts.append(
+                                        {
+                                            "current_artifact_path": get_charm_artifact_path(
+                                                current_base_folder,
+                                                chart_name,
+                                                vca_type,
+                                                current_vnf_revision,
+                                            ),
+                                            "target_artifact_path": get_charm_artifact_path(
+                                                latest_base_folder,
+                                                chart_name,
+                                                vca_type,
+                                                latest_vnfd_revision,
+                                            ),
+                                            "ee_id": ee_id,
+                                            "vca_index": vca_index,
+                                            "vdu_index": vdu_count_index,
+                                        }
+                                    )
 
                             charm_artifact_paths = zip(
                                 current_charm_artifact_path, target_charm_artifact_path
@@ -6040,17 +6047,18 @@
 
                     # helm base EE
                     for item in helm_artifacts:
-                        if (
-                            not (
-                                item["current_artifact_path"]
-                                and item["target_artifact_path"]
-                                and self.check_charm_hash_changed(
-                                    item["current_artifact_path"], item["target_artifact_path"]
-                                )
-                                )
+                        if not (
+                            item["current_artifact_path"]
+                            and item["target_artifact_path"]
+                            and self.check_charm_hash_changed(
+                                item["current_artifact_path"],
+                                item["target_artifact_path"],
+                            )
                         ):
                             continue
-                        db_update_entry = "_admin.deployed.VCA.{}.".format(item["vca_index"])
+                        db_update_entry = "_admin.deployed.VCA.{}.".format(
+                            item["vca_index"]
+                        )
                         vnfr_id = db_vnfr["_id"]
                         osm_config = {"osm": {"ns_id": nsr_id, "vnf_id": vnfr_id}}
                         db_dict = {
@@ -6059,9 +6067,7 @@
                             "path": db_update_entry,
                         }
                         vca_type, namespace, helm_id = get_ee_id_parts(item["ee_id"])
-                        await self.vca_map[
-                            vca_type
-                        ].upgrade_execution_environment(
+                        await self.vca_map[vca_type].upgrade_execution_environment(
                             namespace=namespace,
                             helm_id=helm_id,
                             db_dict=db_dict,
@@ -6074,20 +6080,27 @@
                         self.logger.debug("get ssh key block")
                         rw_mgmt_ip = None
                         if deep_get(
-                                config_descriptor, ("config-access", "ssh-access", "required")
+                            config_descriptor,
+                            ("config-access", "ssh-access", "required"),
                         ):
                             # Needed to inject a ssh key
                             user = deep_get(
                                 config_descriptor,
                                 ("config-access", "ssh-access", "default-user"),
                             )
-                            step = "Install configuration Software, getting public ssh key"
-                            pub_key = await self.vca_map[vca_type].get_ee_ssh_public__key(
+                            step = (
+                                "Install configuration Software, getting public ssh key"
+                            )
+                            pub_key = await self.vca_map[
+                                vca_type
+                            ].get_ee_ssh_public__key(
                                 ee_id=ee_id, db_dict=db_dict, vca_id=vca_id
                             )
 
-                            step = "Insert public key into VM user={} ssh_key={}".format(
-                                user, pub_key
+                            step = (
+                                "Insert public key into VM user={} ssh_key={}".format(
+                                    user, pub_key
+                                )
                             )
                             self.logger.debug(logging_text + step)
 
@@ -6106,7 +6119,11 @@
                             "initial-config-primitive"
                         )
                         config_primitive = next(
-                            (p for p in initial_config_primitive_list if p["name"] == "config"),
+                            (
+                                p
+                                for p in initial_config_primitive_list
+                                if p["name"] == "config"
+                            ),
                             None,
                         )
                         if not config_primitive:
@@ -6117,7 +6134,9 @@
                             deploy_params["rw_mgmt_ip"] = rw_mgmt_ip
                         if db_vnfr.get("additionalParamsForVnf"):
                             deploy_params.update(
-                                parse_yaml_strings(db_vnfr["additionalParamsForVnf"].copy())
+                                parse_yaml_strings(
+                                    db_vnfr["additionalParamsForVnf"].copy()
+                                )
                             )
                         primitive_params_ = self._map_primitive_params(
                             config_primitive, {}, deploy_params
diff --git a/osm_lcm/tests/test_lcm_helm_conn.py b/osm_lcm/tests/test_lcm_helm_conn.py
index 7116517..3730162 100644
--- a/osm_lcm/tests/test_lcm_helm_conn.py
+++ b/osm_lcm/tests/test_lcm_helm_conn.py
@@ -79,8 +79,11 @@
 
         self.db.get_one.return_value = {"_admin": {"helm-chart-v3": {"id": "myk8s_id"}}}
         ee_id, _ = await self.helm_conn.create_execution_environment(
-            namespace, db_dict, artifact_path=artifact_path,
-            chart_model=chart_model, vca_type="helm-v3"
+            namespace,
+            db_dict,
+            artifact_path=artifact_path,
+            chart_model=chart_model,
+            vca_type="helm-v3",
         )
         self.assertEqual(
             ee_id,