diff --git a/muk_utils/__init__.py b/muk_utils/__init__.py
index b8ecfdc..fc090e5 100644
--- a/muk_utils/__init__.py
+++ b/muk_utils/__init__.py
@@ -17,6 +17,7 @@
 #
 #    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 . import models, tools
diff --git a/muk_utils/__manifest__.py b/muk_utils/__manifest__.py
index 18fe880..f9b8f9f 100644
--- a/muk_utils/__manifest__.py
+++ b/muk_utils/__manifest__.py
@@ -17,6 +17,7 @@
 #
 #    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/>.
+#
 ###################################################################################
 
 {
diff --git a/muk_utils/actions/ir_attachment.xml b/muk_utils/actions/ir_attachment.xml
index 1fd39a2..7a1b317 100644
--- a/muk_utils/actions/ir_attachment.xml
+++ b/muk_utils/actions/ir_attachment.xml
@@ -19,6 +19,7 @@
 
     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/>.
+
   -->
 
 <odoo>
diff --git a/muk_utils/models/__init__.py b/muk_utils/models/__init__.py
index bc28605..e6b2d51 100644
--- a/muk_utils/models/__init__.py
+++ b/muk_utils/models/__init__.py
@@ -17,6 +17,7 @@
 #
 #    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 . import (
diff --git a/muk_utils/models/base.py b/muk_utils/models/base.py
index 804ff2f..13b098e 100644
--- a/muk_utils/models/base.py
+++ b/muk_utils/models/base.py
@@ -17,6 +17,7 @@
 #
 #    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/>.
+#
 ###################################################################################
 
 import logging
diff --git a/muk_utils/models/ir_attachment.py b/muk_utils/models/ir_attachment.py
index d8e734c..57e396d 100644
--- a/muk_utils/models/ir_attachment.py
+++ b/muk_utils/models/ir_attachment.py
@@ -17,6 +17,7 @@
 #
 #    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/>.
+#
 ###################################################################################
 
 import logging
diff --git a/muk_utils/models/ir_config_parameter.py b/muk_utils/models/ir_config_parameter.py
index f606f0d..2dd72c9 100644
--- a/muk_utils/models/ir_config_parameter.py
+++ b/muk_utils/models/ir_config_parameter.py
@@ -17,6 +17,7 @@
 #
 #    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 odoo import api, models
diff --git a/muk_utils/models/mixins_groups.py b/muk_utils/models/mixins_groups.py
index 0133068..2db9c9a 100644
--- a/muk_utils/models/mixins_groups.py
+++ b/muk_utils/models/mixins_groups.py
@@ -17,6 +17,7 @@
 #
 #    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 odoo import api, fields, models
diff --git a/muk_utils/models/mixins_hierarchy.py b/muk_utils/models/mixins_hierarchy.py
index db96b84..0a8f8e4 100644
--- a/muk_utils/models/mixins_hierarchy.py
+++ b/muk_utils/models/mixins_hierarchy.py
@@ -17,6 +17,7 @@
 #
 #    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/>.
+#
 ###################################################################################
 
 import functools
diff --git a/muk_utils/models/res_config_settings.py b/muk_utils/models/res_config_settings.py
index 54a250a..bec068d 100644
--- a/muk_utils/models/res_config_settings.py
+++ b/muk_utils/models/res_config_settings.py
@@ -17,6 +17,7 @@
 #
 #    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 odoo import fields, models
diff --git a/muk_utils/tests/__init__.py b/muk_utils/tests/__init__.py
index 14e21de..19917f1 100644
--- a/muk_utils/tests/__init__.py
+++ b/muk_utils/tests/__init__.py
@@ -17,6 +17,7 @@
 #
 #    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 . import (
diff --git a/muk_utils/tests/test_attachment_migration.py b/muk_utils/tests/test_attachment_migration.py
index d986905..f7dcba5 100644
--- a/muk_utils/tests/test_attachment_migration.py
+++ b/muk_utils/tests/test_attachment_migration.py
@@ -17,6 +17,7 @@
 #
 #    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/>.
+#
 ###################################################################################
 
 import logging
diff --git a/muk_utils/tests/test_file_tools.py b/muk_utils/tests/test_file_tools.py
index 40c12d1..e5ee7a2 100644
--- a/muk_utils/tests/test_file_tools.py
+++ b/muk_utils/tests/test_file_tools.py
@@ -17,6 +17,7 @@
 #
 #    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/>.
+#
 ###################################################################################
 
 import logging
diff --git a/muk_utils/tests/test_http_tools.py b/muk_utils/tests/test_http_tools.py
index 4d7d4b9..5190cd6 100644
--- a/muk_utils/tests/test_http_tools.py
+++ b/muk_utils/tests/test_http_tools.py
@@ -17,6 +17,7 @@
 #
 #    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/>.
+#
 ###################################################################################
 
 import base64
diff --git a/muk_utils/tests/test_json_tools.py b/muk_utils/tests/test_json_tools.py
index 2ac6262..70878c9 100644
--- a/muk_utils/tests/test_json_tools.py
+++ b/muk_utils/tests/test_json_tools.py
@@ -17,6 +17,7 @@
 #
 #    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/>.
+#
 ###################################################################################
 
 import json
diff --git a/muk_utils/tests/test_search_childs.py b/muk_utils/tests/test_search_childs.py
index 4e8d971..9afde91 100644
--- a/muk_utils/tests/test_search_childs.py
+++ b/muk_utils/tests/test_search_childs.py
@@ -17,6 +17,7 @@
 #
 #    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/>.
+#
 ###################################################################################
 
 import logging
diff --git a/muk_utils/tests/test_search_parents.py b/muk_utils/tests/test_search_parents.py
index 9068a47..9542c39 100644
--- a/muk_utils/tests/test_search_parents.py
+++ b/muk_utils/tests/test_search_parents.py
@@ -17,6 +17,7 @@
 #
 #    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/>.
+#
 ###################################################################################
 
 import logging
diff --git a/muk_utils/tests/test_security_helper.py b/muk_utils/tests/test_security_helper.py
index 07ffa8b..7679df1 100644
--- a/muk_utils/tests/test_security_helper.py
+++ b/muk_utils/tests/test_security_helper.py
@@ -17,6 +17,7 @@
 #
 #    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/>.
+#
 ###################################################################################
 
 import logging
diff --git a/muk_utils/tools/__init__.py b/muk_utils/tools/__init__.py
index 3f12832..9e666ba 100644
--- a/muk_utils/tools/__init__.py
+++ b/muk_utils/tools/__init__.py
@@ -17,6 +17,7 @@
 #
 #    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 . import file, http, json, patch, security
diff --git a/muk_utils/tools/file.py b/muk_utils/tools/file.py
index a7376ef..3e7f699 100644
--- a/muk_utils/tools/file.py
+++ b/muk_utils/tools/file.py
@@ -17,6 +17,7 @@
 #
 #    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/>.
+#
 ###################################################################################
 
 import mimetypes
diff --git a/muk_utils/tools/http.py b/muk_utils/tools/http.py
index ffbbb8c..ed79252 100644
--- a/muk_utils/tools/http.py
+++ b/muk_utils/tools/http.py
@@ -17,6 +17,7 @@
 #
 #    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/>.
+#
 ###################################################################################
 
 import base64
diff --git a/muk_utils/tools/json.py b/muk_utils/tools/json.py
index 1d810d3..17d9f5c 100644
--- a/muk_utils/tools/json.py
+++ b/muk_utils/tools/json.py
@@ -17,6 +17,7 @@
 #
 #    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/>.
+#
 ###################################################################################
 
 import datetime
diff --git a/muk_utils/tools/patch.py b/muk_utils/tools/patch.py
index ee02c03..9f6b1ec 100644
--- a/muk_utils/tools/patch.py
+++ b/muk_utils/tools/patch.py
@@ -17,6 +17,7 @@
 #
 #    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/>.
+#
 ###################################################################################
 
 
diff --git a/muk_utils/tools/security.py b/muk_utils/tools/security.py
index e382ade..2e21dde 100644
--- a/muk_utils/tools/security.py
+++ b/muk_utils/tools/security.py
@@ -17,6 +17,7 @@
 #
 #    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/>.
+#
 ###################################################################################
 
 import random
diff --git a/muk_utils/tools/utils.py b/muk_utils/tools/utils.py
index 22cd82f..c824db1 100644
--- a/muk_utils/tools/utils.py
+++ b/muk_utils/tools/utils.py
@@ -17,6 +17,7 @@
 #
 #    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/>.
+#
 ###################################################################################
 
 
diff --git a/muk_utils/views/ir_attachment.xml b/muk_utils/views/ir_attachment.xml
index 47bb25d..36d5a99 100644
--- a/muk_utils/views/ir_attachment.xml
+++ b/muk_utils/views/ir_attachment.xml
@@ -19,6 +19,7 @@
 
     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/>.
+
   -->
 
 <odoo>
diff --git a/muk_utils/views/mixins_groups.xml b/muk_utils/views/mixins_groups.xml
index 2978ab5..3516d63 100644
--- a/muk_utils/views/mixins_groups.xml
+++ b/muk_utils/views/mixins_groups.xml
@@ -19,6 +19,7 @@
 
     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/>.
+
   -->
 
 <odoo>
diff --git a/muk_utils/views/res_config_settings.xml b/muk_utils/views/res_config_settings.xml
index 35c8442..62d92da 100644
--- a/muk_utils/views/res_config_settings.xml
+++ b/muk_utils/views/res_config_settings.xml
@@ -19,6 +19,7 @@
 
     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/>.
+
   -->
 
 <odoo>