diff --git a/src/rougail/user_data_yaml/__init__.py b/src/rougail/user_data_yaml/__init__.py
index 68d3075..9822a29 100644
--- a/src/rougail/user_data_yaml/__init__.py
+++ b/src/rougail/user_data_yaml/__init__.py
@@ -15,6 +15,7 @@ details.
 You should have received a copy of the GNU Lesser General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 """
+
 from ruamel.yaml import YAML
 
 from rougail.error import ExtentionError
@@ -33,6 +34,7 @@ class RougailUserDataYaml:
     ) -> None:
         if rougailconfig is None:
             from rougail import RougailConfig
+
             rougailconfig = RougailConfig
             user_data = rougailconfig["step.user_data"]
             if "yaml" not in user_data:
@@ -71,11 +73,11 @@ class RougailUserDataYaml:
                     file_values,
                     filename,
                 )
-            if self.file_with_secrets == 'none':
+            if self.file_with_secrets == "none":
                 allow_secrets_variables = False
-            elif self.file_with_secrets == 'first':
+            elif self.file_with_secrets == "first":
                 allow_secrets_variables = idx == 0
-            elif self.file_with_secrets == 'last':
+            elif self.file_with_secrets == "last":
                 if not idx:
                     last_filenames = len(self.filenames) - 1
                 allow_secrets_variables = idx == last_filenames
@@ -87,8 +89,9 @@ class RougailUserDataYaml:
                     "errors": self.errors,
                     "warnings": self.warnings,
                     "values": values,
-                    'options': {'allow_secrets_variables': allow_secrets_variables,
-                                },
+                    "options": {
+                        "allow_secrets_variables": allow_secrets_variables,
+                    },
                 }
             )
         return user_datas
diff --git a/src/rougail/user_data_yaml/config.py b/src/rougail/user_data_yaml/config.py
index 1a63e3c..584954c 100644
--- a/src/rougail/user_data_yaml/config.py
+++ b/src/rougail/user_data_yaml/config.py
@@ -17,6 +17,7 @@ details.
 You should have received a copy of the GNU Lesser General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 """
+
 from .i18n import _