diff --git a/searx/__init__.py b/searx/__init__.py
index ded0ff2f5..a65266de8 100644
--- a/searx/__init__.py
+++ b/searx/__init__.py
@@ -1,25 +1,12 @@
-'''
-searx is free software: you can redistribute it and/or modify
-it under the terms of the GNU Affero General Public License as published by
-the Free Software Foundation, either version 3 of the License, or
-(at your option) any later version.
-
-searx is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU Affero General Public License for more details.
-
-You should have received a copy of the GNU Affero General Public License
-along with searx. If not, see < http://www.gnu.org/licenses/ >.
-
-(C) 2013- by Adam Tauber, <asciimoo@gmail.com>
-'''
+# SPDX-License-Identifier: AGPL-3.0-or-later
+# lint: pylint
+# pylint: disable=missing-function-docstring, missing-module-docstring
 
+from os.path import dirname, abspath
 import logging
+
 import searx.settings_loader
 from searx.settings_defaults import settings_set_defaults
-from os.path import dirname, abspath
-
 
 searx_dir = abspath(dirname(__file__))
 searx_parent_dir = abspath(dirname(dirname(__file__)))
@@ -45,7 +32,7 @@ else:
     logger.info('max_request_timeout=%i second(s)', max_request_timeout)
 
 
-class _brand_namespace:
+class _brand_namespace:  # pylint: disable=invalid-name
 
     @classmethod
     def get_val(cls, group, name, default=''):
diff --git a/searx/settings_defaults.py b/searx/settings_defaults.py
index d1a57369d..8350d92ba 100644
--- a/searx/settings_defaults.py
+++ b/searx/settings_defaults.py
@@ -1,6 +1,9 @@
 # SPDX-License-Identifier: AGPL-3.0-or-later
 # lint: pylint
-# pylint: disable=missing-function-docstring, missing-module-docstring
+# pylint: disable=missing-function-docstring
+"""Implementation of the default settings.
+
+"""
 
 import typing
 import numbers
@@ -48,16 +51,20 @@ class SettingsValue:
                  type_definition: typing.Union[None, typing.Any, typing.Tuple[typing.Any]]=None,
                  default: typing.Any=None,
                  environ_name: str=None):
-        self.type_definition = type_definition \
-                               if type_definition is None or isinstance(type_definition, tuple) \
-                               else (type_definition,)
+        self.type_definition = (
+            type_definition
+            if type_definition is None or isinstance(type_definition, tuple)
+            else (type_definition,)
+        )
         self.default = default
         self.environ_name = environ_name
 
     @property
     def type_definition_repr(self):
-        types_str = [t.__name__ if isinstance(t, type) else repr(t)
-                         for t in self.type_definition]
+        types_str = [
+            t.__name__ if isinstance(t, type) else repr(t)
+            for t in self.type_definition
+        ]
         return ', '.join(types_str)
 
     def check_type_definition(self, value: typing.Any) -> None:
@@ -65,8 +72,9 @@ class SettingsValue:
             return
         type_list = tuple(t for t in self.type_definition if isinstance(t, type))
         if not isinstance(value, type_list):
-            raise ValueError('The value has to be one of these types/values: {}'\
-                             .format(self.type_definition_repr))
+            raise ValueError(
+                'The value has to be one of these types/values: {}'.format(
+                    self.type_definition_repr))
 
     def __call__(self, value: typing.Any) -> typing.Any:
         if value == _UNDEFINED:
@@ -76,7 +84,7 @@ class SettingsValue:
             value = os.environ[self.environ_name]
             if self.type_definition == (bool,):
                 value = STR_TO_BOOL[value.lower()]
-        #
+
         self.check_type_definition(value)
         return value